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 am: 4b1ed9a4

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



Change-Id: Ic17befec8f13ae9d31cb1a5228d77f4c798a5c35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>