Merge changes from topic "no-telephony-rework-batch-1" into main

* changes:
  Hide SimLockPreferenceController when no telephony
  Don't assume telephony is available in SubscriptionActivationRepositoryTest
  Rename key to explicitly reference TELEPHONY_CALLING in user settings
  Return DISABLED_FOR_USER in network/eid availability if not admin user
  Return UNSUPPORTED_ON_DEVICE in network/eid when no telephony
  Don't assume telephony is available in MobileNetworkSettingsSearchIndexTest