camera: add missing symbols for HTC 8660 camera HAL

Forward port of patch from HTC 8660 missing symbols patch from ICS.

Change-Id: I9ed27e3bc1b0d63c437b3cf9518b36e0da546e81
diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h
index bd9efc2..07fce84 100644
--- a/include/camera/CameraParameters.h
+++ b/include/camera/CameraParameters.h
@@ -728,6 +728,7 @@
     static const char SCENE_MODE_BACKLIGHT[];
     static const char SCENE_MODE_FLOWERS[];
     static const char SCENE_MODE_AR[];
+    static const char SCENE_MODE_OFF[];
 #endif
     // Applications are looking for a barcode. Camera driver will be optimized
     // for barcode reading.
@@ -911,6 +912,7 @@
     int getOrientation() const;
     void setOrientation(int orientation);
     void setPreviewFpsRange(int minFPS,int maxFPS);
+    void setPostviewSize(int x, int y);
     void getSupportedHfrSizes(Vector<Size> &sizes) const;
 #endif