Unsecure all builds by default

Change-Id: Ia6f6025990f1b3feaedebf749151929fcb3a0c8b
Make English (United Kingdom) the default language

Change-Id: I3167a788e44a5b15ebba6e9a3f69866c61738088
Add SuperNexus version in OTA tool

Change-Id: I7054fc48aae456bdb7f8bfb6344863e4d4995796