Fix recents on crespo

packages/SystemUI/src/com/android/systemui/recent/Choreographer.java

@@ -134,7 +134,9 @@ import android.view.View;
 
     void jumpTo(boolean appearing) {
         mContentView.setTranslationY(appearing ? 0 : mPanelHeight);
-        mScrimView.getBackground().setAlpha(appearing ? 255 : 0);
+        if (mScrimView.getBackground() != null) {
+            mScrimView.getBackground().setAlpha(appearing ? 255 : 0);
+        }
     }
 
     public void setPanelHeight(int h) {

packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java

@@ -239,6 +239,7 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
 
     public void show(boolean show, boolean animate) {
         if (show) {
+            refreshRecentTasksList(null, true);
             mWaitingToShow = true;
             mWaitingToShowAnimated = animate;
             showIfReady();