Turn on SIP phone support by default.
Turn on SIP phone support by default.

Also make SIP available on mobile data network by default.

Bug: 4318547
Change-Id: I940e3213c4f6f30cd6238a3073b3ab45a46dd87f

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base