Do not enable Camera widget on non-camera devices

Change-Id: Ib8b945aaf23ecaaf70e6d8ca466d54d97f9982a0
Merge "Do not enable Camera widget on non-camera devices" into cm-11.0
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_Settings into cd-4.4