Merge "Notify listeners when syncing group expansion mgr with the pipeline."...

Merge "Notify listeners when syncing group expansion mgr with the pipeline." into udc-qpr-dev am: f66b76fb am: 21c02687

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24148210



Change-Id: Ifd93e9cc557a21dfb820499decb4bce0dbf17c2e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>