camera: fixup htc params

Change-Id: Iee0086e8a7319ada09f5191092c314c099e0d66a
diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h
index 5431e64..7b583c8 100644
--- a/include/camera/CameraParameters.h
+++ b/include/camera/CameraParameters.h
@@ -674,6 +674,11 @@
     static const char CONTI_BURST_CAPTURE_DONE[];
     static const char APP_OIS_SETTING_FALSE[];
     static const char APP_OIS_SETTING_TRUE[];
+    static const char KEY_GPU_EFFECT[];
+    static const char KEY_GPU_EFFECT_PARAM_0[];
+    static const char KEY_GPU_EFFECT_PARAM_1[];
+    static const char KEY_GPU_EFFECT_PARAM_2[];
+    static const char KEY_GPU_EFFECT_PARAM_3[];
 #endif
 
     static const char KEY_AE_BRACKET_HDR[];