d2-common: use proper hardware key bit field

This allows remapping of the proper keys in System > Hardware keys

Change-Id: I62ee00251b98ec38734e26e8a887f845857169b8
d2-common: increase mms size, height and width

same settings as toro, they work on d2vzw
need tested on other d2 variants

reference:
https://github.com/CyanogenMod/android_device_samsung_toro/blob/ics/overlay/packages/apps/Mms/res/xml/mms_config.xml

Change-Id: I9834a68daf8968421e3c3610ee29c8f0e484013a