Merge "Don't attach pipeline to group expansion mgr." into udc-dev am:...

Merge "Don't attach pipeline to group expansion mgr." into udc-dev am: d77e6968 am: 56f4f108 am: 36778d22 am: a5fe27a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24148304



Change-Id: I0f34ff5b4c7472a048f83c216751adc70e9fa70c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>