Merge "Moved AttributionSource related APIs in AttributionSource" am: 70d456d06c am: 52ddc063b0 am: e5d5eefb16 am: 52dfe57f07

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1922817

Change-Id: I60fa5ecea7c9b1bffbd8bfaf0ed85cafb80fa5bc