Merge "Polish status bar launch animations." into sc-dev am: 4a381a08 am:...

Merge "Polish status bar launch animations." into sc-dev am: 4a381a08 am: c144757c am: 676f5d3a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14294127

Change-Id: I075618c46a56e18aba4185943e45897ea7341091