Fix issue 7468224, make sure to size pages if page changes

Change-Id: I8b3d7573eda7ed8e6a9aa479e61737fb12e26b92

Author: Adam Cohen

policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java

@@ -115,7 +115,7 @@ public void onPageSwitched(View newPage, int newPageIndex) {
         // This prevents conflicts.
 
         // If the page hasn't switched, don't bother with any of this
-        if (mCurrentPage != newPageIndex) return;
+        if (mCurrentPage == newPageIndex) return;
 
         if (mPagedView != null && mChallengeLayout != null) {
             KeyguardWidgetFrame prevPage = mPagedView.getWidgetPageAt(mCurrentPage);