camera: Make the popup menu transparent

 * We should never obscure the preview.

Change-Id: I246f82808f1277f719b9bedafb6d3ace833cc48e

camera: Tweak the popup transparency

 * Currently too hard to read with bright images.

Change-Id: Ica2a77491296637c0b56f886bad704b8b4fcd5c8
Camera2: implement exposure compensation settings in video mode

Change-Id: I83a2675e109dc7924cdd9240b26051ac218f532a
Camera: separate settings for color effects

Store color effect settings for the camera and
video camera in their own separate preferences.

Change-Id: I8faa59b8663154737910b338906d27f9736d5ad9
Camera2: implement volume key zoom in video mode

Change-Id: I140e8cfb3e39700f60e40c35b38e92c83a3c26de
camera2: update to new 4.4 KitKat UI

thanks kroz

Change-Id: Ibac9681e53660bb727c2419f06b5b5509ebe169c
White panorama ui

white progress indicator
white recording shutter button

Change-Id: I8c2eddc6059ae19a2c98cf928b51bab4c05c9232
camera2: follow new 4.4 UI guidelines

powershot button was still ICS blue...changed to white

Change-Id: Ic4c813de047a5bd84ed1bb3b124fa2b7d0ca064d