Remove lock of getLockTaskModeState

The state field is declared as volatile. And the field is always
written on display thread without lock. So it is unnecessary to
lock the getter method.

Bug: 173467481
Test: CtsWindowManagerDeviceTestCases
Change-Id: I6324f6745fd849438b7b0d326bd63bd2d0580421

parent a72217f7

services/core/java/com/android/server/wm/ActivityTaskManagerService.java

+1 −3

Original line number	Diff line number	Diff line
		@@ -2538,10 +2538,8 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {

		@Override
		public int getLockTaskModeState() {
		synchronized (mGlobalLock) {
		return getLockTaskController().getLockTaskModeState();
		}
		}

		@Override
		public List<IBinder> getAppTasks(String callingPackage) {