Camera: Add more htc parameters

Change-Id: Ica43a42f6ec6e25671b22536c768140469fb9824
diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h
index 477f8ce..5e5a6f1 100644
--- a/include/camera/CameraParameters.h
+++ b/include/camera/CameraParameters.h
@@ -658,8 +658,11 @@
     static const char KEY_CONTI_BURST_STATE[];
     static const char KEY_SUPPORTED_CAPTURE_MODES[];
     static const char KEY_MIN_CONTRAST[];
+    static const char KEY_DEF_CONTRAST[];
     static const char KEY_MIN_SHARPNESS[];
+    static const char KEY_DEF_SHARPNESS[];
     static const char KEY_MIN_SATURATION[];
+    static const char KEY_DEF_SATURATION[];
     static const char KEY_SINGLE_ISP_OUTPUT_ENABLED[];
     static const char POST_PROCESSING_ENABLE[];
     static const char POST_PROCESSING_BYPASS[];