[automerger skipped] Merge "Revert "Add getAttributionSource() to mocked context."" am: a6e4070ea2 am: 3c566fa36a am: daaae1e1be -s ours

am skip reason: Merged-In I9035b49cf431cc2526b46586e559b8f579ca9c6f with SHA-1 0b1ccf6835 is already in history. Merged-In was found from reverted change.

Reverted change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1982887

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/2000930

Change-Id: I75490a3cc37d6a7ecfacfc79b6cfaf43c1013c18