Merge "Remove redundant sending app visibility" into sc-v2-dev

        // TODO(shell-transitions): Remove mDeferHidingClient once everything is shell-transitions.

        //                          pip activities should just remain in clientVisible.

        if (!clientVisible && mDeferHidingClient) return;

        ProtoLog.v(WM_DEBUG_APP_TRANSITIONS,

                "setClientVisible: %s clientVisible=%b Callers=%s", this, clientVisible,

                Debug.getCallers(5));

        super.setClientVisible(clientVisible);

        sendAppVisibilityToClients();

    }

    /**