Merge "Add more explanation on difference between aggregate and discrete...

Merge "Add more explanation on difference between aggregate and discrete information." into sc-dev am: 3476ed1d am: 959e1d38 am: a8b2419f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14411200

Change-Id: I5cf716b7749784f063a011979758808833d466cf