In modules/ replace mock macros with unified MOCK_METHOD macro

Bug: webrtc:11564
Change-Id: I8a87389a795029feb818449ab1e5bbe69486db28
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/175908
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31364}

modules/rtp_rtcp/source/rtcp_transceiver_unittest.cc

@@ -42,7 +42,10 @@ using ::webrtc::test::RtcpPacketParser;
 
 class MockMediaReceiverRtcpObserver : public webrtc::MediaReceiverRtcpObserver {
  public:
-  MOCK_METHOD3(OnSenderReport, void(uint32_t, webrtc::NtpTime, uint32_t));
+  MOCK_METHOD(void,
+              OnSenderReport,
+              (uint32_t, webrtc::NtpTime, uint32_t),
+              (override));
 };
 
 constexpr int kTimeoutMs = 1000;