Stop using rtc::TaskQueue::Current in RtcpTransceiver

Bug: webrtc:10191
Change-Id: Ifc080021ebcb203ea72beba8846e940a0c382dd1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/126120
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27015}
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_impl.h b/modules/rtp_rtcp/source/rtcp_transceiver_impl.h
index b08dd56..083f77e 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_impl.h
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_impl.h
@@ -39,6 +39,8 @@
   RtcpTransceiverImpl& operator=(const RtcpTransceiverImpl&) = delete;
   ~RtcpTransceiverImpl();
 
+  void StopPeriodicTask() { periodic_task_handle_.Stop(); }
+
   void AddMediaReceiverRtcpObserver(uint32_t remote_ssrc,
                                     MediaReceiverRtcpObserver* observer);
   void RemoveMediaReceiverRtcpObserver(uint32_t remote_ssrc,