support: ColorPicker: Add attrs to show/hide reset and preview icons

Change-Id: I74fe69f8facdd28a783b362f801c3e1fbdae7d29
Signed-off-by: Anushek Prasal <anushekprasal@gmail.com>
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 3c74b84..8d7665d 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -27,6 +27,8 @@
     <!-- Value to pass to callback when restore button is pressed -->
     <declare-styleable name="ColorPickerPreference">
         <attr name="alphaSlider" format="boolean" />
+        <attr name="showPreview" format="boolean" />
+        <attr name="showReset" format="boolean" />
     </declare-styleable>
 
 </resources>