Preserve app window when it requests a relaunch

Help allow blank screens when the app calls Activity.recreate().

Test: Take YouTube app in-out of split-screen and make sure there is't
      a hole
Fixes 36567223

Change-Id: Ic4915153c2cb88cce9a1bea7500cf89be14c5aa4

parent a441da15

services/core/java/com/android/server/am/ActivityManagerService.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -5026,7 +5026,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		try {
		r.forceNewConfig = true;
		r.ensureActivityConfigurationLocked(0 /* globalChanges */,
		false /* preserveWindow */);
		true /* preserveWindow */);
		} finally {
		Binder.restoreCallingIdentity(origId);
		}