Update Vagrant to Java 11.

Change-Id: I80e013c7238e6652646a963ce6d6740697544e97
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/linuxtools/org.eclipse.linuxtools/+/166028
Tested-by: Linux Tools Bot <linuxtools-bot@eclipse.org>
diff --git a/vagrant/org.eclipse.linuxtools.vagrant.core/.classpath b/vagrant/org.eclipse.linuxtools.vagrant.core/.classpath
index cf36b56..bc57d23 100644
--- a/vagrant/org.eclipse.linuxtools.vagrant.core/.classpath
+++ b/vagrant/org.eclipse.linuxtools.vagrant.core/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src/"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/vagrant/org.eclipse.linuxtools.vagrant.core/.settings/org.eclipse.jdt.core.prefs b/vagrant/org.eclipse.linuxtools.vagrant.core/.settings/org.eclipse.jdt.core.prefs
index e6aabf5..fb282c7 100644
--- a/vagrant/org.eclipse.linuxtools.vagrant.core/.settings/org.eclipse.jdt.core.prefs
+++ b/vagrant/org.eclipse.linuxtools.vagrant.core/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -24,6 +24,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -80,6 +81,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -112,7 +114,8 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_additive_operator=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
diff --git a/vagrant/org.eclipse.linuxtools.vagrant.core/META-INF/MANIFEST.MF b/vagrant/org.eclipse.linuxtools.vagrant.core/META-INF/MANIFEST.MF
index fa7b23e..c2a3352 100644
--- a/vagrant/org.eclipse.linuxtools.vagrant.core/META-INF/MANIFEST.MF
+++ b/vagrant/org.eclipse.linuxtools.vagrant.core/META-INF/MANIFEST.MF
@@ -10,7 +10,7 @@
  org.eclipse.equinox.registry,
  org.eclipse.equinox.security,
  org.eclipse.osgi
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Import-Package: org.eclipse.debug.core,
  org.eclipse.jface.preference
diff --git a/vagrant/org.eclipse.linuxtools.vagrant.ui/.classpath b/vagrant/org.eclipse.linuxtools.vagrant.ui/.classpath
index cf36b56..bc57d23 100644
--- a/vagrant/org.eclipse.linuxtools.vagrant.ui/.classpath
+++ b/vagrant/org.eclipse.linuxtools.vagrant.ui/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src/"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/vagrant/org.eclipse.linuxtools.vagrant.ui/.settings/org.eclipse.jdt.core.prefs b/vagrant/org.eclipse.linuxtools.vagrant.ui/.settings/org.eclipse.jdt.core.prefs
index 2b89f2e..fe8d4a2 100644
--- a/vagrant/org.eclipse.linuxtools.vagrant.ui/.settings/org.eclipse.jdt.core.prefs
+++ b/vagrant/org.eclipse.linuxtools.vagrant.ui/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -23,6 +23,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -66,6 +67,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -98,7 +100,8 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_assignment_statements_on_columns=false
 org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
diff --git a/vagrant/org.eclipse.linuxtools.vagrant.ui/META-INF/MANIFEST.MF b/vagrant/org.eclipse.linuxtools.vagrant.ui/META-INF/MANIFEST.MF
index f0bcc3d..d668e80 100644
--- a/vagrant/org.eclipse.linuxtools.vagrant.ui/META-INF/MANIFEST.MF
+++ b/vagrant/org.eclipse.linuxtools.vagrant.ui/META-INF/MANIFEST.MF
@@ -26,7 +26,7 @@
  org.eclipse.tm.terminal.connector.ssh;bundle-version="4.0.0",
  org.eclipse.tm.terminal.view.core;bundle-version="4.0.0",
  org.eclipse.tm.terminal.view.ui;bundle-version="4.0.0"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Bundle-Localization: plugin
 Export-Package: org.eclipse.linuxtools.internal.vagrant.ui;x-internal:=true,