Use activity translucent check for remote animation

- This matches the behaviour elsewhere in the system (and
  with task snapshots as well)

Bug: 148610914
Test: Manual, start a translucent activity and ensure the
      data is reported back to launcher to pick the right
      launch animation

Change-Id: Ic3baa742809b813b1c0c0b39253db5fabbe37c02

services/core/java/com/android/server/wm/ActivityRecord.java

@@ -7674,7 +7674,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         mainWindow.getContentInsets(insets);
         InsetUtils.addInsets(insets, getLetterboxInsets());
         return new RemoteAnimationTarget(task.mTaskId, record.getMode(),
-                record.mAdapter.mCapturedLeash, !task.fillsParent(),
+                record.mAdapter.mCapturedLeash, !fillsParent(),
                 mainWindow.mWinAnimator.mLastClipRect, insets,
                 getPrefixOrderIndex(), record.mAdapter.mPosition,
                 record.mAdapter.mStackBounds, task.getWindowConfiguration(),