Merge "Support aggregation over association sources per process" into sc-dev am: 72eee56f am: ad47a4c6 am: d12f6df2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14318108

Change-Id: I20e2878156bfa39f0335299d9b7eb9bf777d17b1