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

Merge "Revert "Notify listeners when syncing group expansion mgr with the pipeline."" into udc-qpr-dev am: df1b3151

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24500059



Change-Id: I048fa4f894e888942eaf8387aeaab42b1460a41b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>