Merge "PhoneConfigManager: server-side flag for vDSDA" into udc-d1-dev am: a601db74

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/23097300



Change-Id: I5cc851c38ca35a11979f6a67f1a2ebf79cdf5cda
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>