switched execution environment of eTrice runtime launcher to Java 8

Change-Id: I80167e65646febcd5f0da0f270b3daa6130ac447
diff --git a/plugins/org.eclipse.etrice.core.room.ui/eTrice-rt.launch b/plugins/org.eclipse.etrice.core.room.ui/eTrice-rt.launch
index a4adb96..6370453 100644
--- a/plugins/org.eclipse.etrice.core.room.ui/eTrice-rt.launch
+++ b/plugins/org.eclipse.etrice.core.room.ui/eTrice-rt.launch
@@ -17,7 +17,7 @@
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-os ${target.os} -ws ${target.ws} -arch ${target.arch} -nl ${target.nl}"/>
 <stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER" value="org.eclipse.pde.ui.workbenchClasspathProvider"/>
 <stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Dosgi.requiredJavaVersion=1.5 -Xms40m -Xmx512m -XX:MaxPermSize=256m -ea"/>