Merge "Do not send and receive datagrams at the same time." into udc-dev am:...

Merge "Do not send and receive datagrams at the same time." into udc-dev am: 3dd7975a am: 89835f71

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/22579380



Change-Id: I7b2b91f2cd8fb1cd7b7c7c1be13c28e445bfadef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>