Release wakelock when binder died or exception occurs

Fixes: 73862644

Test: manual, fp lockout still behaves as expected
Test: manually extend wakelock timeout, kill sysui (adb shell pkill systemui)
      while wakelock is held; binderDied() log shows
Change-Id: Id8abe4ac5b45170cee0f108a274604b89b954505
1 file changed