message: Disable thread sanitizer runs for cpu_backend_gemm_test.
  It times out.
diff: @@ -143,6 +143,7 @@ cc_library(
  cc_test(
  name = "cpu_backend_gemm_test",
  srcs = ["cpu_backend_gemm_test.cc"],
  + tags = ["notsan"],
  deps = [
  ":cpu_backend_gemm",
  "@com_google_googletest//:gtest",
  