I believe this now correctly updates us to VS 2015 update 2.
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Win-MSVC-x86-Debug-VS2015-Trybot
https://isolateserver.appspot.com/browse?namespace=default-gzip&digest=
3c710fd7f4df8ec24fde62681536fad21be2751c
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=
1926813007
Review-Url: https://codereview.chromium.org/
1926813007
{
- "2013": "705384d88f80da637eb367e5acc6f315c0e1db2f",
- "2015": "38380d77eec9164e5818ae45e2915a6f22d60e85"
-}
+ "2013": "705384d88f80da637eb367e5acc6f315c0e1db2f",
+ "2015": "3c710fd7f4df8ec24fde62681536fad21be2751c"
+}
\ No newline at end of file