When keyguard is being dismissed it still was overriding orientation
for the display, which caused report of wrong configuration to
activity that was becoming visible.
Bug: 66979760
Bug: 36897968
Bug: 62796190
Bug: 62904487
Bug: 38494778
Test: Launch Unity 4 based game, lock and unlock screen, check UI
Test: com.android.server.wm.DisplayContentTests#testOrientationDefinedByKeyguard
Change-Id: I0a180b8e941a85ba4174a40cdec2ff0b8f3e00eb