cm versioning: fix certificate check

The variable used does not exist at this stage of the build. Switch
to PRODUCT_DEFAULT_DEV_CERTIFICATE, which does exist when in use.

Change-Id: Icb3bbaa437e68b96e1ce05a09f6525cd1ddb9a6a
.gitignore - add proprietary folder

Change-Id: I128b8191328db5ed8acde408ccb0d063d3c2f17b
Add KT/SKT spn value

Change-Id: I461eaa31d84fc1f494839aad591564d9875aefed
Add more audio files

Change-Id: I10d5bcd0c2a46e16438c3a46d94d8ac596a71e1a
Remove Launcher3 from the build

Change-Id: If946b4371288b6182c0f24e11ea7014035e8d3e1
Add HALO to the build

Change-Id: Id7646cf6b7aee6cda14bcd5de232d8a38c6fd924
Add ScreenRecorder and libscreenrecorder to the build

Change-Id: I84137a72914ac4f266976f6f17b04f09e138afbe
Remove CMUpdater from the build

Change-Id: Ic71bc2360605bda4c9f55eed80c39d2801750692
Enable gesture typing - (2/3) - add prebuilt lib

Change-Id: Ia8d90975c4aa842269f2f3fcd1b8decf90a48b47

Conflicts:
	config/common.mk