vendor/cm: fix Sprint MMS apn being set as default

Sprint CDMA MMS APN was being incorrectly set as default and hipri,
causing LTE connectivity issues because it was prioritized over the
other APN entries for LTE and EHRPD.

Change-Id: I6ca4fd172e2ecc64ca7a2c3fbca5327be61e7b5c
Remove CM Default Wallpaper

Change-Id: Ib484e46ad03281338c42e24c8c4fde487921b513
Add HALO to the build

Change-Id: Id7646cf6b7aee6cda14bcd5de232d8a38c6fd924
Don't build CMUpdater

Change-Id: I29ae91744fd5b2b495df9a0eb4b7a1b8cc15037c
.gitignore - add proprietary folder

Change-Id: I128b8191328db5ed8acde408ccb0d063d3c2f17b