Restore @UnsupportedApiUsage in AnimationListener

As long as FragmentManagerImpl in AndroidX is not fixed, we need to keep
this annotation, or FragmentManagerImpl will crash.

Bug: 122893665
Test: atest AnimationTest
Change-Id: I5e21ee5f3ffb4c314ae7b5ea8f32d3880e2f2550
1 file changed