Add TSAN suppression for deadlocks in libnvidia-glsi.so

TBR=ochang@chromium.org

Bug: 973947

Change-Id: Ic6e401936d5b23db48025d65344d79077dc6a4fc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1659030
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Commit-Queue: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#668978}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8ca116655a432b3d4523fe6da19fc7f6b41c51f1

sanitizers/tsan_suppressions.cc

@@ -157,6 +157,9 @@ char kTSanDefaultSuppressions[] =
     // http://crbug.com/691029
     "deadlock:libGLX.so*\n"
 
+    //  http://crbug.com/973947
+    "deadlock:libnvidia-glsi.so*\n"
+
     // http://crbug.com/695929
     "race:base::i18n::IsRTL\n"
     "race:base::i18n::SetICUDefaultLocale\n"