Merge "Updated the document regarding T data stack" into tm-dev am: 5a1a044e...

Merge "Updated the document regarding T data stack" into tm-dev am: 5a1a044e am: 3e6c7a26 am: e707b19a am: b666723d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/18436120



Change-Id: I1e1f25bfddf7dfb98f729bcf7b6bdd8ee792a564
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>