Merge "Invoke insets animation callbacks when resizing system bars" into...

Merge "Invoke insets animation callbacks when resizing system bars" into sc-v2-dev am: a42a8d6b am: c5c07300

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15327977

Change-Id: I855558a2b85c58d7e2cd31bc5a429083d4de6d0f