Merge "camera2: Workaround for null FACE_DETECT_MODE crashing" into klp-dev

    @SuppressWarnings("unchecked")

    @Override

    public <T> T get(Key<T> key) {

        if (key == CaptureResult.STATISTICS_FACES) {

            /**

             * FIXME: Workaround for HAL bug that's missing FACE_DETECT_MODE

             */

            Log.w(TAG, "Expected non-null android.statistics.faceDetectMode");

            return null;

        }

        T value = getOverride(key);

        if (value != null) {

            return value;