RESTRICT AUTOMERGE Use static token for myAttributionSource in ServiceUtilities Bug: 258672042 Test: manual Change-Id: I44243bbbd68db9ee8b5c4ba02a061e14bd300d20 (cherry picked from commit 9a213a1ef475d828d02d0055e2b713cf2068c683) Merged-In: I44243bbbd68db9ee8b5c4ba02a061e14bd300d20