SurfaceView only call forceDisconnect if isValid

Change-Id: I683c2f937f44d8b3d912839a3e91cbd5b5c7f437
Fixes: 31778946
Test: Manual, launch Cookie Jam then tap recents

core/java/android/view/SurfaceView.java

@@ -598,7 +598,9 @@ public class SurfaceView extends View {
                             // surfaceDestroyed and surfaceCreated, we force a disconnect,
                             // so the next connect will always work if we end up reusing
                             // the surface.
-                            mSurface.forceScopedDisconnect();
+                            if (mSurface.isValid()) {
+                                mSurface.forceScopedDisconnect();
+                            }
                         }
                     }