Merge "Ensure that animated key button drawable has callbacks" into rvc-dev am: acf0750084 am: 9542a56d6b am: db55bf702d

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

Change-Id: Ied410ff2a6197523d4c6c99aa350fa963f9cdb94