Added changes to support new phone number telephony module in TelephonyServiceManager

The changes add new TelephonyServicesInitializer to initialize and
register the service.

Test: presubmit

Bug: b/418868405 Bug: b/412560144

Flag: com.android.internal.telephony.flags.enable_phone_number_parsing_api
Change-Id: I2dd17d564e1bd0570328c4a828eeedf06bc36d0f