Fix issue where All Apps tab bar was too small

Change-Id: I702ca5ce32a6346f09c61765aa63625d3d50cc92
diff --git a/src/com/android/launcher2/AllAppsPagedView.java b/src/com/android/launcher2/AllAppsPagedView.java
index 28f44e4..fd5979f 100644
--- a/src/com/android/launcher2/AllAppsPagedView.java
+++ b/src/com/android/launcher2/AllAppsPagedView.java
@@ -122,8 +122,7 @@
             mCellCountY = determineCellCountY(height, layout);
             mLastMeasureWidth = width;
             mLastMeasureHeight = height;
-            removeAllViews();
-            invalidatePageData();
+            postInvalidatePageData(true);
         }
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
@@ -132,12 +131,7 @@
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         if (mWaitingToInitPages) {
             mWaitingToInitPages = false;
-            invalidatePageData();
-
-            // invalidatePageData() is what causes the child pages to be created. We need the
-            // children to be measured before layout, so force a new measure here.
-            measure(MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY),
-                    MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
+            postInvalidatePageData(false);
         }
         super.onLayout(changed, left, top, right, bottom);
     }