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: I4cef850e28057a5e6624424dfd7575db7cc02aa8
5 files changed