Update jdt.core to I20181121-1800

Change-Id: I1fd2f91f49053c04a793d2c49437d9b2e647eada
diff --git a/org.eclipse.jdt.core/META-INF/MANIFEST.MF b/org.eclipse.jdt.core/META-INF/MANIFEST.MF
index 8450e8a..f3331f2 100644
--- a/org.eclipse.jdt.core/META-INF/MANIFEST.MF
+++ b/org.eclipse.jdt.core/META-INF/MANIFEST.MF
@@ -14,9 +14,9 @@
  org.eclipse.jdt.core.formatter,
  org.eclipse.jdt.core.index,
  org.eclipse.jdt.core.jdom,
+ org.eclipse.jdt.core.provisional;x-friends:="org.eclipse.jdt.debug.ui,org.eclipse.jdt.launching,org.eclipse.jdt.ui",
  org.eclipse.jdt.core.search,
  org.eclipse.jdt.core.util,
- org.eclipse.jdt.core.provisional;x-friends:="org.eclipse.jdt.debug.ui,org.eclipse.jdt.launching",
  org.eclipse.jdt.internal.codeassist;x-internal:=true,
  org.eclipse.jdt.internal.codeassist.complete;x-internal:=true,
  org.eclipse.jdt.internal.codeassist.impl;x-internal:=true,