Merge "Merge "Export the instance of CoordinatorLayout" into sc-dev am: 6f383b1b am: ac9c778a" into sc-v2-dev-plus-aosp am: 8c88aac3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15101226

Change-Id: Idf56e4cc830bd9f473a40b83ec396336b88aa837