Check target value

ash/rotator/screen_rotation_animation.cc

Index: ash/rotator/screen_rotation_animation.cc
diff --git a/ash/rotator/screen_rotation_animation.cc b/ash/rotator/screen_rotation_animation.cc
index ecbc75d9935c1a913ce5e076864f90d16d83b223..55a55deca91df1e6ffa5f9052bda91950787827e 100644
--- a/ash/rotator/screen_rotation_animation.cc
+++ b/ash/rotator/screen_rotation_animation.cc
@@ -63,4 +63,8 @@ void ScreenRotationAnimation::OnAbort(ui::LayerAnimationDelegate* delegate) {
   delegate->SetTransformFromAnimation(target_value.transform);
 }
 
+bool ScreenRotationAnimation::AreStartAndTargetSame() {
+  return false;
+}
+
 }  // namespace ash