AOD: Do not change wakeup animation during DozeService teardown

When finishing the DozeService, eg. in response to pressing the
power button, we need to keep the current value of shouldAnimate.

Fixes: 64203271
Test: Disable Always-On Display. Double tap to trigger Ambient Display. Press power button. Verify that wakeup animation plays.
Change-Id: I393ac143099b45ff90c927658a6d00a2afc1124f
1 file changed