Merge "Fix holding behavior across self-manged ConnectionServices." into udc-dev am: 390a9d136f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/23036398

Change-Id: I8efa27b8f1b7f014663835f59ca1927ad3bf34c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>