Merge "Don't attach pipeline to group expansion mgr." into udc-dev am: d77e69686b am: 56f4f108d8 am: 36778d2236

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

Change-Id: I9b60763e5f369fde4f99a6be46d3d30b11e70976
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>