Disable flaky DataReductionProxyConfigTest.TestOnNetworkChanged

TBR=tbansal@chromium.org

Bug: 1010685
Change-Id: I8b8f8136ff67685a559201c5960044b2eb8ec558
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1836296
Commit-Queue: Yoichi Osato <yoichio@chromium.org>
Reviewed-by: Yoichi Osato <yoichio@chromium.org>
Auto-Submit: Yoichi Osato <yoichio@chromium.org>
Cr-Commit-Position: refs/heads/master@{#702293}

components/data_reduction_proxy/core/browser/data_reduction_proxy_config_unittest.cc

@@ -31,6 +31,7 @@
 #include "base/threading/platform_thread.h"
 #include "base/time/default_clock.h"
 #include "base/time/time.h"
+#include "build/build_config.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_config_test_utils.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_configurator.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.h"
@@ -274,7 +275,8 @@ TEST_F(DataReductionProxyConfigTest, TestOnConnectionChangePersistedData) {
 }
 
 // Flaky on Linux. http://crbug.com/973385
-#if defined(OS_LINUX)
+// Flaky on Win. http://crbug.com/1010685
+#if defined(OS_LINUX) || defined(OS_WIN)
 #define MAYBE_TestOnNetworkChanged DISABLED_TestOnNetworkChanged
 #else
 #define MAYBE_TestOnNetworkChanged TestOnNetworkChanged