Merge "Limit black background to only base and starting windows" into oc-dr1-dev

import android.view.SurfaceControl;

import android.view.SurfaceSession;

import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;

import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;

import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;

import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;

import static android.view.WindowManagerPolicy.NAV_BAR_BOTTOM;

import static android.view.WindowManagerPolicy.NAV_BAR_LEFT;

import static android.view.WindowManagerPolicy.NAV_BAR_RIGHT;

        super(s, name, w, h, format, flags, windowType, ownerUid);

        // We should only show background behind app windows that are letterboxed in a task.

        if (!windowSurfaceController.mAnimator.mWin.isLetterboxedAppWindow()

                || windowType < FIRST_APPLICATION_WINDOW

                || windowType > LAST_APPLICATION_WINDOW) {

        if ((windowType != TYPE_BASE_APPLICATION && windowType != TYPE_APPLICATION_STARTING)

                || !windowSurfaceController.mAnimator.mWin.isLetterboxedAppWindow()) {

            return;

        }

        mWindowSurfaceController = windowSurfaceController;