Merge "Add attribution info to start callbacks" into sc-dev am: 5d97f292 am: 7ebbcf16 am: b43ce546

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15446590

Change-Id: I902a598096ddedb2056cd6abc62bce7d881fc7fa