Bug 810092 - On a production phone (i.e. VARIANT=user) only enable adb when the phone is unlocked. r=fabrice
Bug 874484 - Disable ADB after a timeout. r=fabrice

This patch causes ADB to be disabled after 12 hours. The timeout is only used
when marionette is disabled, which implies production builds. Engineering
builds (VARIANT=eng or VARIANT=userdebug) will continue to have ADB enabled
indefinitely.
Bug 903682 - Add .lcka extension as a device storage audio extension. r=djf

This patch adds the .lcka extension as a music file extension. Its intended
to be used to store forward locked files.