CameraSettings: fix the filtering of unsupported settings

Color effects were not filtered for the video camera, and
the focus mode filtering logic for the camera was broken.

Change-Id: I85a68ec992b7c6efaed4dddbf836cf00b20a8f89
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Camera into jb-mv