Ending pending anim should set to end values.

Pending animations have not started but when ending animations, we
should ensure they are set to their end values based off the
documentation for ItemAnimator's endAnimations and endAnimation.

Bug: 132285006
Test: Build using endAnimations and manual test
Change-Id: I3039a4f192d68a0ead700cd81675b3e7b4ef51f9

go/quickstep/src/com/android/quickstep/ContentFillItemAnimator.java

@@ -240,9 +240,11 @@ public final class ContentFillItemAnimator extends SimpleItemAnimator {
         ViewHolder item = pendAnim.viewHolder;
         switch (pendAnim.animType) {
             case ANIM_TYPE_REMOVE:
+                item.itemView.setAlpha(1.0f);
                 dispatchRemoveFinished(item);
                 break;
             case ANIM_TYPE_CHANGE:
+                CONTENT_TRANSITION_PROGRESS.set(item.itemView, 1.0f);
                 dispatchChangeFinished(item, true /* oldItem */);
                 break;
             default: