Merge "update TelecomManager docs on when to post a CallSytle notif" into udc-dev am: 0fbe9c60 am: 3bb22137 am: abd310b5 am: e66454c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23698086



Change-Id: Id5ba6a8e8d4eeb61df9a9a6f1ed2f4ebfe3e1361
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>