Adding a progress bar while All Apps is loading

- also, removing some unused imports

Change-Id: Icf46beb9fa9d89bc06cba33c148ceb7d668cd402
diff --git a/src/com/android/launcher2/AppsCustomizeTabHost.java b/src/com/android/launcher2/AppsCustomizeTabHost.java
index 8f067fa..dcf4441 100644
--- a/src/com/android/launcher2/AppsCustomizeTabHost.java
+++ b/src/com/android/launcher2/AppsCustomizeTabHost.java
@@ -133,6 +133,11 @@
                 // it off here)
                 mTabs.getLayoutParams().width = contentWidth;
                 mTabsContainer.setAlpha(1f);
+                post(new Runnable() {
+                    public void run() {
+                        mTabs.requestLayout();
+                    }
+                });
             }
         }
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);