(Camera)FrameProcessor: Refactor to share code with ProFrameProcessor

Change-Id: Ie8cd0df7caf83f9d0134f560ae31ab72f2f7d1fc
diff --git a/services/camera/libcameraservice/Camera2Device.h b/services/camera/libcameraservice/Camera2Device.h
index 1adb7a9..3034a1d 100644
--- a/services/camera/libcameraservice/Camera2Device.h
+++ b/services/camera/libcameraservice/Camera2Device.h
@@ -38,6 +38,7 @@
     /**
      * CameraDevice interface
      */
+    virtual int      getId() const;
     virtual status_t initialize(camera_module_t *module);
     virtual status_t disconnect();
     virtual status_t dump(int fd, const Vector<String16>& args);