Create feature flag for satellite communication.

Created two feature flags:
- oem_enabled_satellite_flag
- carrier_enabled_satellite_flag

Flags are accessed using static approach.

Bug: 291811962
Bug: 296437388
Test: adb shell device_config put telephony com.android.telephony.phone.flags.carrier_enabled_satellite_flag true
Test: atest TelephonyConnectionServiceTest

Change-Id: Iad264e8a9a6dfa2cced624410c09f2839082c0bb
3 files changed