Removing static launcher activity dependency from FirstFrameAnimationHelper

Static dependency does not work in the presence of multiple activities and
when the main activity is not Launcher (eg in fallback recents). Instead
creating FirstFrameAnimatorHelper on demand for individual animations.

Change-Id: I17bb69bbaaca92f0db994fb56fd784302c57d543

src/com/android/launcher3/notification/NotificationFooterLayout.java

@@ -156,9 +156,10 @@ public class NotificationFooterLayout extends FrameLayout {
         Rect fromBounds = sTempRect;
         firstNotification.getGlobalVisibleRect(fromBounds);
         float scale = (float) toBounds.height() / fromBounds.height();
-        Animator moveAndScaleIcon = ObjectAnimator.ofPropertyValuesHolder(firstNotification,
-                new PropertyListBuilder().scale(scale).translationY(toBounds.top - fromBounds.top
-                        + (fromBounds.height() * scale - fromBounds.height()) / 2).build());
+        Animator moveAndScaleIcon = new PropertyListBuilder().scale(scale)
+                .translationY(toBounds.top - fromBounds.top
+                        + (fromBounds.height() * scale - fromBounds.height()) / 2)
+                .build(firstNotification);
         moveAndScaleIcon.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {