Update build configuration for RAP Tools 3.12.0 RC2

- Use Eclipse Platform build S-4.15RC2-202003050155

Change-Id: I36b59ab7bf81303ed73c6a2823e7148b3102a8c5
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>
diff --git a/features/org.eclipse.rap.tools.feature/.forceQualifierUpdate b/features/org.eclipse.rap.tools.feature/.forceQualifierUpdate
index fbef0b1..3e3f81e 100644
--- a/features/org.eclipse.rap.tools.feature/.forceQualifierUpdate
+++ b/features/org.eclipse.rap.tools.feature/.forceQualifierUpdate
@@ -1 +1 @@
-2020-03-04T12:00:00+00:00
+2020-03-09T12:00:00+00:00
diff --git a/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target b/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
index 3b3d53f..7145c8c 100644
--- a/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
+++ b/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?pde version="3.8"?><target name="RAP Tools target platform" sequenceNumber="60">
+<?pde version="3.8"?><target name="RAP Tools target platform" sequenceNumber="61">
     <locations>
         <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
             <unit id="org.eclipse.jetty.bundles.f.feature.group" version="9.4.26.v20200117"/>
@@ -7,8 +7,8 @@
         </location>
         <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
             <unit id="org.eclipse.core.runtime.feature.feature.group" version="1.2.800.v20200214-1600"/>
-            <unit id="org.eclipse.e4.rcp.feature.group" version="4.15.0.v20200226-0601"/>
-            <unit id="org.eclipse.e4.rcp.source.feature.group" version="4.15.0.v20200226-0601"/>
+            <unit id="org.eclipse.e4.rcp.feature.group" version="4.15.0.v20200304-0601"/>
+            <unit id="org.eclipse.e4.rcp.source.feature.group" version="4.15.0.v20200304-0601"/>
             <unit id="org.eclipse.ecf.core.feature.feature.group" version="1.5.500.v20200217-1548"/>
             <unit id="org.eclipse.ecf.core.ssl.feature.feature.group" version="1.1.300.v20191023-2007"/>
             <unit id="org.eclipse.ecf.filetransfer.feature.feature.group" version="3.14.700.v20200217-0016"/>
@@ -16,17 +16,17 @@
             <unit id="org.eclipse.ecf.filetransfer.ssl.feature.feature.group" version="1.1.200.v20191024-1546"/>
             <unit id="org.eclipse.emf.common.feature.group" version="2.18.0.v20191225-1014"/>
             <unit id="org.eclipse.emf.ecore.feature.group" version="2.21.0.v20200127-1342"/>
-            <unit id="org.eclipse.help.feature.group" version="2.3.100.v20200226-1800"/>
-            <unit id="org.eclipse.help.source.feature.group" version="2.3.100.v20200226-1800"/>
-            <unit id="org.eclipse.jdt.feature.group" version="3.18.300.v20200226-1800"/>
-            <unit id="org.eclipse.jdt.source.feature.group" version="3.18.300.v20200226-1800"/>
-            <unit id="org.eclipse.pde.feature.group" version="3.14.300.v20200226-1800"/>
-            <unit id="org.eclipse.pde.source.feature.group" version="3.14.300.v20200226-1800"/>
-            <unit id="org.eclipse.platform.feature.group" version="4.15.0.v20200226-1800"/>
-            <unit id="org.eclipse.platform.source.feature.group" version="4.15.0.v20200226-1800"/>
-            <unit id="org.eclipse.rcp.feature.group" version="4.15.0.v20200226-1800"/>
-            <unit id="org.eclipse.rcp.source.feature.group" version="4.15.0.v20200226-1800"/>
-            <repository location="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15RC1-202002261800/"/>
+            <unit id="org.eclipse.help.feature.group" version="2.3.100.v20200305-0155"/>
+            <unit id="org.eclipse.help.source.feature.group" version="2.3.100.v20200305-0155"/>
+            <unit id="org.eclipse.jdt.feature.group" version="3.18.300.v20200305-0155"/>
+            <unit id="org.eclipse.jdt.source.feature.group" version="3.18.300.v20200305-0155"/>
+            <unit id="org.eclipse.pde.feature.group" version="3.14.300.v20200305-0155"/>
+            <unit id="org.eclipse.pde.source.feature.group" version="3.14.300.v20200305-0155"/>
+            <unit id="org.eclipse.platform.feature.group" version="4.15.0.v20200305-0155"/>
+            <unit id="org.eclipse.platform.source.feature.group" version="4.15.0.v20200305-0155"/>
+            <unit id="org.eclipse.rcp.feature.group" version="4.15.0.v20200305-0155"/>
+            <unit id="org.eclipse.rcp.source.feature.group" version="4.15.0.v20200305-0155"/>
+            <repository location="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15RC2-202003050155/"/>
         </location>
         <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
             <unit id="org.eclipse.license.feature.group" version="2.0.2.v20181016-2210"/>