RESTRICT AUTOMERGE Use static token for myAttributionSource in ServiceUtilities am: ca6e277075

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/20510866

Change-Id: Ibb48514e925d80bb4706f6f384dcf05142a91e70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>