Update traffic annotation auditor executable for Windows.

Following patchsets crrev.com/c/924061 and crrev.com/c/924062, SHA1 for
traffic annotation auditor executable for Windows is updated.

Bug: 690323
Change-Id: Ic6112c60ea6d98c16bffcd596b669d69df8d1d3b
Reviewed-on: https://chromium-review.googlesource.com/924004Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537618}

tools/traffic_annotation/README.md

@@ -99,4 +99,4 @@ and cc the people listed in OWNERS; they'll be on the hook to rebuild and
 re-enable the test.
 
 CLANG_REVISION = '324578'
-LASTCHANGE=03c55b230fda790e170ae999c1b95b92aa3ea752-refs/heads/master@{#537293}
+LASTCHANGE=e49689cd0ec555a2bf5aa579f94d56c8e161dfe3-refs/heads/master@{#537588}

tools/traffic_annotation/bin/win32/traffic_annotation_auditor.exe.sha1

-64c11b26669ac45180a6876c212751661ec8efba
\ No newline at end of file
+cdb865e6db53d6e847ba52183f864cd2b7e48ab7
\ No newline at end of file