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

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



Change-Id: I1a7a8e183aa46226661c48114c9db293bf4a19c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>