Merge "Update status bar transition start time" into sc-qpr1-dev am:...

Merge "Update status bar transition start time" into sc-qpr1-dev am: 5784ba0c am: 65e4e7d7 am: 89f099b8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15879493

Change-Id: I1043c9026f3cb6d5aab883d475a4b1a116c2db53