migrate roaming operator configs to carrier config

Bug:37885668
Test: runtest --path
packages/apps/CarrierConfig/tests/src/com/android/carrierconfig/CarrierConfigTest.java
Test: runtest --path
frameworks/opt/telephony/tests/telephonytests/src/com/android/internal/telephony/ServiceStateTrackerTest.java
Change-Id: I43efc8316d69f178ceab04d42e1601ba542dc5f2
Merged-In: I43efc8316d69f178ceab04d42e1601ba542dc5f2
2 files changed