Get out fuzzy lumpkins: blurred out wallpaper in some devices fixed

This commit actually scales the deafault wallpaper and those jpeg images
found in cyanogenmod default wallpaper not correctly scale this commt
actually scales the display metrics and adapt the wallpaper corectly on
the device

Change-Id: I9179eccd5c90dcb389dcb2c3b012e0eb04c8c013
Reset BatteryStats

Change-Id: Id01e230f9ab1979a74c6c3391167a23e0ac08d48
Merge "Get out fuzzy lumpkins: blurred out wallpaper in some devices fixed" into android-4.4