Merge "Camera: add new EXTERNAL hardware level"

        @3.2::CameraMetadataEnumAndroidRequestAvailableCapabilities {

    ANDROID_REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING,

};

/** android.info.supportedHardwareLevel enumeration values added since v3.2

 * @see ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL

 */

enum CameraMetadataEnumAndroidInfoSupportedHardwareLevel :

        @3.2::CameraMetadataEnumAndroidInfoSupportedHardwareLevel {

    ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL,

};