Merge "Avoid checking for window singleton policy when reparenting a window context" into main

            final int displayId = display.getDisplayId();

            ProtoLog.d(WM_DEBUG_ADD_REMOVE, "Reparenting to displayId=%d", displayId);

            final String systemUiPermission = isCallerVirtualDeviceOwner(displayId, callingUid)

                    && display.isTrusted()

                    // Virtual device owners can add system windows on their trusted displays.

                    ? android.Manifest.permission.CREATE_VIRTUAL_DEVICE

                    : android.Manifest.permission.STATUS_BAR_SERVICE;

            if (display.getDisplayPolicy().assertDisplaySingletonPolicy(

                    token.getWindowType(), systemUiPermission, callingPid, callingUid)) {

                ProtoLog.e(WM_DEBUG_ADD_REMOVE, "Fail to reparent windowToken since"

                        + " there's a window with windowType=%d on displayId=%d",

                        token.getWindowType(), display.getDisplayId());

                return false;

            }

            // TODO b/404532651 - check the destination display content doesn't have a window

            //  with that type already.

            // Reparent the window created for this window context.

            display.reParentWindowToken(token);

            hideUntilNextDraw(token);