Merge "Updated the document regarding T data stack" into tm-dev am: fa4a7135...

Merge "Updated the document regarding T data stack" into tm-dev am: fa4a7135 am: 792fa5f8 am: 6a9e76fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18439685



Change-Id: Idb02509e0500b6e9dfc7a8077df7e5cc87bee997
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>