Disable EndToEndTest.TransportSeqNumOnAudioAndVideo for Dr Memory.

It started failing at the roll in
https://codereview.webrtc.org/1556273002

BUG=webrtc:5402
TBR=marpan@webrtc.org
NOTRY=True

Review URL: https://codereview.webrtc.org/1574813002

Cr-Commit-Position: refs/heads/master@{#11198}
diff --git a/tools/valgrind-webrtc/gtest_exclude/video_engine_tests.gtest-drmemory_win32.txt b/tools/valgrind-webrtc/gtest_exclude/video_engine_tests.gtest-drmemory_win32.txt
index 7405c3f..3582a48 100644
--- a/tools/valgrind-webrtc/gtest_exclude/video_engine_tests.gtest-drmemory_win32.txt
+++ b/tools/valgrind-webrtc/gtest_exclude/video_engine_tests.gtest-drmemory_win32.txt
@@ -10,6 +10,8 @@
 EndToEndTest.SendsAndReceivesH264
 EndToEndTest.SendsAndReceivesVP9
 EndToEndTest.TransportFeedbackNotConfigured
+# https://bugs.chromium.org/p/webrtc/issues/detail?id=5402
+EndToEndTest.TransportSeqNumOnAudioAndVideo
 VideoSendStreamTest.CanReconfigureToUseStartBitrateAbovePreviousMax
 VideoSendStreamTest.ReconfigureBitratesSetsEncoderBitratesCorrectly
 # https://code.google.com/p/webrtc/issues/detail?id=5417