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

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

Change-Id: Ib6a75d429553f997a2e958b9bd8f2d78de241827