Color picker pref: allow tap also on the text to show the picker

other prefs like SwitchPref work this way

Signed-off-by: xyyx <xyyx@mail.ru>
Change-Id: Iaf503c6844a6ad202ff6e534cfc613f0662bc7e2
diff --git a/src/com/bliss/support/colorpicker/ColorPickerPreference.java b/src/com/bliss/support/colorpicker/ColorPickerPreference.java
index 01b0978..f8f97c8 100644
--- a/src/com/bliss/support/colorpicker/ColorPickerPreference.java
+++ b/src/com/bliss/support/colorpicker/ColorPickerPreference.java
@@ -102,6 +102,13 @@
         mView = view;
         super.onBindViewHolder(view);
 
+        view.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                showDialog(null);
+            }
+        });
+
         widgetFrameView = ((LinearLayout) view
                 .findViewById(android.R.id.widget_frame));