Fixes a deadlock that occurred because mAnimatingScreenOff was left set to true after aborting turning off the screen. This change removes the mAnimatingScreenOff flag and checks for (mScreenBrightness.animating && mScreenBrightness.targetValue == 0) instead. Fixes bug b/2219706 Change-Id: I081f08c14ad7585a953fb567867238b1f3db841f Signed-off-by: Mike Lockwood <lockwood@android.com>