Merge "Move Connection off of RefBase" into udc-dev am: 6050892386

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22749830

Change-Id: I8ab51215b8ade21a65130015b937af1bf09b5438
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>