Merge "Bubble bar dismiss interaction" into udc-qpr-dev am: d95ea68d am: cbe6eae3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24245143



Change-Id: I61daf1ec8b811a47ea9b98ebe0b35c6f51f238c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>