camera: Fix camera crashing when bashing shutter

Prevents the picture thread from being restarted or freezing
when it is already started, or when auto-focus is being
done.
Prevents gallery crash.

Change-Id: Ib540f2a47423778b45dfc8df440e33b2ac254ae8
smdk4412: require vendor

Change-Id: Idca65628efac769225b75e3873cd9f9169d59d64
camera: auto antibanding

Add 60 Hz and auto antibanding, with "auto" as default.

Change-Id: I460524f70afe0ac0aa0bf4c0be9a81acc4dbbb94
Merge branch 'cm-10.2' of git://github.com/CyanogenMod/android_device_samsung_smdk4412-common into cm-10.2