Removed reference to RadioAccessFamily

1. Removed reference to RadioAccessFamily#getNetworkTypeFromRaf,
RadioAccessFamily#getRafFromNetworkType

2. Migrated hidden NETWORK_MODE_* constants in TelephonyManager

Bug: 147079703
Test: build and test manually
Change-Id: I94745edc37d80336197f874cb7b4afd42dfc97a8
9 files changed