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: 3e7bfa8c am: 18dbe70b

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



Change-Id: Ic6232d5562217985086dcea2880b9bdab63ff696
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>