Merge "Ensure that proxy operations look for attribution tag in proxy's pkg"...

Merge "Ensure that proxy operations look for attribution tag in proxy's pkg" into sc-dev am: 9aeedf48

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14470641

Change-Id: Ia7a2fc472753c068254a8b0b4d9080484e3ede71