Revert "Prepare AttributionSource to expose to native"

Revert "Prepare AttributionSource to expose to native - native"

Revert submission 14225527-bug-158792096-04/16/21-1

Reason for revert: b/186467053
Reverted Changes:
I16740cc2d:Prepare AttributionSource to expose to native - na...
I4e050e78b:Prepare AttributionSource to expose to native

Change-Id: I83e4091231241c2211edf5745735f4ee993c6680
5 files changed