Shishir Agrawal 86578cca38 Adding the ability for carrier app to override SPN and carrier name.
The change allows system apps (holding MODIFY_PHONE_STATE permission) or
carrier apps to override the "carrier branding" on a per ICCID basis. The
override affects the service provider name as well as the network operator
name. The override is also saved as a SharedPreference and will persist for
the iccId across reboots.

Change-Id: I985ba247e10e2501e3d0d21567ccadc46f365879
2014-07-17 16:31:37 -07:00
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