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: 9a62ef67 am: 527c1c30

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



Change-Id: I6d7a27696c21b6814fd1e61f4b2f84b7d7b81504
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>