Added settings button to overview mode

Change-Id: Idcbfa49fe2710dec460155f34bd371321af6cf17
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 35e166f..7970b71 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -921,6 +921,9 @@
         public void onHide();
     }
 
+    protected void startSettings() {
+    }
+
     public interface QSBScroller {
         public void setScrollY(int scrollY);
     }
@@ -1123,6 +1126,12 @@
                 startWallpaper();
             }
         });
+        findViewById(R.id.settings_button).setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View arg0) {
+                startSettings();
+            }
+        });
 
         // Setup the workspace
         mWorkspace.setHapticFeedbackEnabled(false);