Revert "Revert "PhoneWindowManager: Delay setting updates during window animation.""

This reverts commit d1b34f31925bf5f58e644725890f4a5190baac9e.

Change-Id: Ifdc49a1be62b5174945b4f3eb2e0c5db2c6687c0
Fix PhoneWindowManager animationFinished callback.

Change-Id: I86863a44e3e710aa5ea6ad433a42a3fad3bccac1