Merge "Move set speakerphone out of async task executor." into udc-dev am: 623b05cc8f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/24027039

Change-Id: Id5f2ce2a100e4518cbc315a5517a1d99ec93cab4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>