Link the contents of tools/valgrind/tsan_v2/suppressions.txt into TSan binaries.

base/debug/sanitizer_options.cc

Index: base/debug/sanitizer_options.cc
diff --git a/base/debug/sanitizer_options.cc b/base/debug/sanitizer_options.cc
index 1affdb23fec80d7e8a2d6d82ff5e2acc6788b290..53574539d255b821954e7781d66228627162942e 100644
--- a/base/debug/sanitizer_options.cc
+++ b/base/debug/sanitizer_options.cc
@@ -94,4 +94,16 @@ const char *__tsan_default_options() {
   return kTsanDefaultOptions;
 }
 
+extern "C" char kTSanDefaultSuppressions[];
+
+extern "C"
+__attribute__((no_sanitize_thread))
+__attribute__((visibility("default")))
+// The function isn't referenced from the executable itself. Make sure it isn't
+// stripped by the linker.
+__attribute__((used))
+const char *__tsan_default_suppressions() {
+  return kTSanDefaultSuppressions;
+}
+
 #endif  // THREAD_SANITIZER && OS_LINUX