Merge "Updated the document regarding T data stack" into tm-dev am: 5a1a044e am: 349e3ba5

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



Change-Id: Ibe7b4d0edbe372e605cdd953d16f30dc33e28c67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>