Updated support for animator in MediaNowPlayingView pre-Lollipop

propertyValuesHolder is not supported pre-L which was causing crash for
API 21 and below. Moved all the animation for the MediaNowPlayingView
inside the code.

Test: MediaNowPlayingViewTest
Bug: 31687045
Change-Id: I139bdc61841b64f26f4ed9b719605d9f86feab7a
(cherry picked from commit a49ace0cc347f152d2847ca1290d9150a0413b31)
5 files changed