Merge "Fix the inconsistent background color between the tooltip and arrow."...

Merge "Fix the inconsistent background color between the tooltip and arrow." into sc-dev am: ab162dd0 am: 5ad825cf am: 0adc9b06

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14716053

Change-Id: Id228536c63cb459afec867461acb75116171590e