Ensuring the widget page is full when shown (Bug 10883258)

Change-Id: I9481b5551a2efc093d0fb81fc62a811b34d93d7c
diff --git a/src/com/android/launcher3/AppsCustomizeTabHost.java b/src/com/android/launcher3/AppsCustomizeTabHost.java
index bfcf92a..697bd7e 100644
--- a/src/com/android/launcher3/AppsCustomizeTabHost.java
+++ b/src/com/android/launcher3/AppsCustomizeTabHost.java
@@ -367,6 +367,10 @@
 
     @Override
     public View getContent() {
+        View appsCustomizeContent = mAppsCustomizePane.getContent();
+        if (appsCustomizeContent != null) {
+            return appsCustomizeContent;
+        }
         return mContent;
     }
 
@@ -397,6 +401,7 @@
 
     @Override
     public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) {
+        mAppsCustomizePane.onLauncherTransitionStart(l, animated, toWorkspace);
         if (animated) {
             enableAndBuildHardwareLayer();
         }
@@ -407,7 +412,7 @@
 
     @Override
     public void onLauncherTransitionStep(Launcher l, float t) {
-        // Do nothing
+        mAppsCustomizePane.onLauncherTransitionStep(l, t);
     }
 
     @Override