Add sync_interception.cc to the WinASan instrumentation blacklist

Fixes test failures introduced in https://codereview.chromium.org/1294823003,
due to sandbox interceptors running before ASan initialization.

BUG=521298
TBR=thakis@chromium.org,jschuh@chromium.org,glider@chromium.org

Review URL: https://codereview.chromium.org/1402493002

Cr-Commit-Position: refs/heads/master@{#353325}
1 file changed