TelephonyProvider: Display APN PPP number

Add a new column "ppp_number" to the carriers database for
displaying the APN PPP number.

Change-Id: Ib1b742257aa1ddfba12f0bfc42e476fca1dcd8c6
APN: Add the read only APN feature.

Add a read only field to the APN database for the read only
APN feature.

Some operators don't want their APNs to be edited by end user to
avoid mistaken changes. End user should be able to only view the
APNs, but not edit.

Change-Id: Ia024088867a3f28d90c015bd728b85e7dacbc673
TelephonyProvider :Add multi-language APN name support

Add a new column "localized_name" to the carriers database for
multi-language APN name support.

The value of localized_name refers to a string resource id in
Strings.xml

Change-Id: If8cd518a42a9f38b35810e8bab498f615f3b81c0
TelephonyProvider: Add CDMA call forwarding function

Add support for CDMA call forwarding function.

Change-Id: I5b42cf39c8d470e84bfe6ac783c70ea36de5cf54
Signed-off-by: anerikg <anerikgames@gmail.com>

Conflicts:
	AndroidManifest.xml