Merge "Add a BackendUnifiedServiceManager wrapper" into main am: f8ec3975ab am: a7a3c20823

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3055742

Change-Id: Ia66650862e1bbd7c7018a3ec55c9a6fe75382ae1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>