Work around android.view.animation.Animation bug prior to N

Fixes:36652953
Test: none

Prior to N, Animation#cancel() would cause an animation to infinitely
loop instead of stopping. Calling View#clearAnimation avoids the
problem, since it removes the Animation entirely.

Change-Id: Iabce4bbcfedcf6b2e1d87c742d859c174113b1ab
2 files changed