Merge "Use new API to provide true roaming state." into udc-qpr-dev am: 52f4dcaf am: f0b2c7d0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/23605817



Change-Id: Iba27e24f5e2e7642465546386412ae6384737664
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>