Merge "Make sure to reorder side stage above main stage to prevent flicker" into sc-dev

            // Make sure the main stage is active.

            mMainStage.activate(getMainStageBounds(), wct);

            mSideStage.setBounds(getSideStageBounds(), wct);

            // Reorder side stage to the top whenever there's a new child task appeared in side

            // stage. This is needed to prevent main stage occludes side stage and makes main stage

            // flipping between fullscreen and multi-window windowing mode.

            wct.reorder(mSideStage.mRootTaskInfo.token, true);

            mTaskOrganizer.applyTransaction(wct);

        }

    }