Forward Port: Add build date to device info

Signed-off-by: Andreas Blaesius <skate4life@gmx.de>
Change-Id: I5bff59c6fb0a9bbcea363d808e3fdb9b34aa8f17
Add CPU & RAM info.

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

Change-Id: I0cce559c86321827d6f920d61ad9dfcb34a63b3c
Merge "Forward Port: Add build date to device info" into lp5.0-caf
Merge "Add CPU & RAM info." into lp5.0-caf