Put the test for the new API back in now that the requestCenterFitZoom
API has been put back in.

Revert "Revert "Add a test for the new requestCenterFitZoom api.""

This reverts commit 103e5768937c748adb06dd70b3f301775168c0d5.
diff --git a/samples/BrowserPlugin/jni/paint/PaintPlugin.cpp b/samples/BrowserPlugin/jni/paint/PaintPlugin.cpp
index 1ec86c2..71b9f24 100644
--- a/samples/BrowserPlugin/jni/paint/PaintPlugin.cpp
+++ b/samples/BrowserPlugin/jni/paint/PaintPlugin.cpp
@@ -302,8 +302,11 @@
                 m_isTouchActive = false;
                 gPathI.reset(m_touchPath);
                 return 1;
-            }
+            } else if (kDoubleTap_ANPTouchAction == evt->data.touch.action) {
+                gWindowI.requestCenterFitZoom(inst());
+                return 1;
 
+            }
             break;
         }
         case kMouse_ANPEventType: {