Mark screen rotation as early (1/2)

To decrease jank while rotating.

Test: Rotate screen
Bug: 138083790
Change-Id: If0b4428253dbfa4dcb102b8146a847e2e9ab876b
Merged-In: If0b4428253dbfa4dcb102b8146a847e2e9ab876b

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

@@ -936,6 +936,7 @@ class ScreenRotationAnimation {
             }
         }
 
+        t.setEarlyWakeup();
         setSnapshotTransform(t, mSnapshotFinalMatrix, mExitTransformation.getAlpha());
     }