Disable flaky ProxyBrowserTest.BasicAuthWSConnect on Windows Dbg and ASAN bots.

BUG=822614
TBR=mmenke@chromium.org

Change-Id: I360c120ea72fd7ec215ec3d2e16214a1b77835e0
Reviewed-on: https://chromium-review.googlesource.com/969331Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: Karan Bhatia <karandeepb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544123}

chrome/browser/net/proxy_browsertest.cc

@@ -109,8 +109,10 @@ class ProxyBrowserTest : public InProcessBrowserTest {
   DISALLOW_COPY_AND_ASSIGN(ProxyBrowserTest);
 };
 
-#if defined(OS_CHROMEOS)
 // We bypass manually installed proxy for localhost on chromeos.
+// TODO(crbug.com/822614): Flaky on Windows Debug and ASAN bots.
+#if (defined(OS_CHROMEOS) || defined(ADDRESS_SANITIZER) || \
+     (defined(OS_WIN) && !defined(NDEBUG)))
 #define MAYBE_BasicAuthWSConnect DISABLED_BasicAuthWSConnect
 #else
 #define MAYBE_BasicAuthWSConnect BasicAuthWSConnect