Merge "Fixed an issue where notifications wouldn't animate on height change"...

Merge "Fixed an issue where notifications wouldn't animate on height change" into sc-dev am: cf3dbf7a am: eec5d345 am: dbe913a6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15080838

Change-Id: I6cae511c92310f70f8db87bf459955a2588e0e29