Disable VerifyHistogramStatsWithRed on DrMemory.

Flaky due to using a real VP8 encoder.

BUG=webrtc:5264
TBR=deadbeef@webrtc.org, stefan@webrtc.org

Review URL: https://codereview.webrtc.org/1695103003 .

Cr-Commit-Position: refs/heads/master@{#11623}
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 1a6517e..d35cb06 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
@@ -8,6 +8,7 @@
 EndToEndTest.SendsAndReceivesVP9
 EndToEndTest.TransportFeedbackNotConfigured
 EndToEndTest.TransportSeqNumOnAudioAndVideo
+EndToEndTest.VerifyHistogramStatsWithRed
 VideoSendStreamTest.CanReconfigureToUseStartBitrateAbovePreviousMax
 VideoSendStreamTest.ReconfigureBitratesSetsEncoderBitratesCorrectly
 # https://code.google.com/p/webrtc/issues/detail?id=5417