Update pre-hide animation logic

Update logic to align with phone and prevent incorrect WM keyguard
state.

Bug: 276328926
Test: manual
Change-Id: Id8f1b652b44e01383c83da4a15e1805bb1ddb762
Merged-In: Id8f1b652b44e01383c83da4a15e1805bb1ddb762
1 file changed