Softbank carrier overlay that fixes Mms User Agent for both Mms.apk & Hangouts

This forces set UA string to Nexus5 for SoftBank MCC:440 MCN:20.
Tested send/receive & confirmed working by yours truly.

Change-Id: I1831c329eb38507a957111052bb5f56350c49361
Remove CM updater form build

Change-Id: I9e66c951eecbb88dbee26de3b2d111db27081b8d
AdAway: build 02.28.14

Change-Id: If9db36a0dcd4e1768fa53a249ad007bc470c0edd