Remove animation value change from push staging

This CL ensures that animation values are only updated during
animation pulses.

This CL also includes the revert of
https://googleplex-android-review.git.corp.google.com/#/c/1285913/

BUG: 30659748

Change-Id: Iadc84462dc61157efd3c18a23767bba9faf00f6e