Merge "Ensure that animated key button drawable has callbacks" into rvc-dev...

Merge "Ensure that animated key button drawable has callbacks" into rvc-dev am: acf07500 am: 9542a56d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12145664

Change-Id: Ieb3582c9948e8049431f9ffb62191561938d4f23