Added telephony signals (PLMN IDs and NITZ) to time zone suggestion

This will be used by the Fused Time Zone Detector (FTZD) to discard mobile phone networks with wrong configuration that affect time zone detection.

go/android-tz-detector
go/ftzd-algo
go/ftzd-cases
go/ftzd-scenarios

Test: atest FrameworksTelephonyTests
Flag: android.timezone.flags.enable_fused_time_zone_detector
Bug: 394770805

Change-Id: I9799cf1fe768f9f656c577d0af0641b67afe1ff9