Merge "Add satellite modem busy error code." into udc-dev am: 95977e06 am: a941272f am: 738193ec

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22612534



Change-Id: I4335c7c020aaf6a8f685cc1f1d258bf46de7e30e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>