Merge changes from topics "ServiceState#dataRegState", "ServiceState#duplexMode" am: d535149b47 am: e38228e1ac

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1636721

Change-Id: Ic9b213bcce1784f65d15ff8563502cdc8e1f0100