Merge "Fix divider bar not shown when entering split with rotation transition" into tm-dev

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

@@ -980,6 +980,9 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
                 updateUnfoldBounds();
                 return;
             }
+            // Clear the divider remote animating flag as the divider will be re-rendered to apply
+            // the new rotation config.
+            mIsDividerRemoteAnimating = false;
             mSplitLayout.update(null /* t */);
             onLayoutSizeChanged(mSplitLayout);
         }