m7spr: Change inherit order

 * Move comon_full_phone.mk to top. Otherwise default notification
   and alarm tone will be completely wrong

Please see the following changes for an explanation/source:

http://review.cyanogenmod.org/#/c/59655/
http://review.cyanogenmod.org/#/c/59973/

Change-Id: I2490a1c5f50e3b4363ca3cef2c3b751cea98d086