Merge changes from topics "ServiceState#dataRegState", "ServiceState#duplexMode" am: d535149b47 am: e38228e1ac am: 941982d3ec

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

Change-Id: I02b76d1609953cc2ede0198bd2592f0afa336ae1