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 am: f3c8d941 am: 66ad50ae

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



Change-Id: Iaf21fc56e6c27ba2ee4c4fd4106b6dcbc7c48b5c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>