DrMemory: Exclude crashing ProxyResolverV8TracingTest.MultipleResolvers test.

BUG=369840
TBR=jkummerow@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/264033003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@268092 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/gtest_exclude/net_unittests.gtest-drmemory_win32.txt

@@ -25,3 +25,6 @@ SSLClientSocketTest.*
 
 # DrM-i#1465
 URLRequestTest.ResolveShortcutTest
+
+# Crashes, http://crbug.com/369840
+ProxyResolverV8TracingTest.MultipleResolvers