Revert "do not start shutdown animation from init"

This reverts commit e2b04b71ae3792e2d8d2fda537343549ebfcc8bb.

Conditionally reintroduce the shutdown animation as there is some
interest in retaining it.

Bug: 117854737
Test: n/a
Change-Id: I99a085bc763e230de46aa44b3488d771f7ad04ce
1 file changed