Merge "Resize dismiss circle to match bubble size." into rvc-dev am:...

Merge "Resize dismiss circle to match bubble size." into rvc-dev am: 75c9551a am: beb76b26 am: d4e436d7 am: 60a04e3c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11689896

Change-Id: Ib682a8e9535f079c606d70b325c51549aa403316