Revert "Remove CMUpdater (2/2)"

This reverts commit eabebcba6e0ea2b02efb9ca90a92e79fbacdc03b.

Conflicts:
	res/xml/device_info_settings.xml
	src/com/android/settings/DeviceInfoSettings.java

Change-Id: I1e33a06df51d7202399169b835b883ad37bf8f67