unify settings popup handling for video mode

Change-Id: I41353e781b943d8d1f98f13cdf6cdd8e90a99194
speed up zoom
see also https://github.com/maxwen/frameworks_base/commit/8ea028e22bcd0e3bb056abf5ba3a11a4c4b3a2df

Change-Id: If89046147dcdd4df872785047585dbb79ee20e63

Conflicts:
	src/com/android/camera/ui/ZoomRenderer.java
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

Conflicts:
	src/com/android/camera/CameraSettings.java