[VS Addin] Add more information when compile tests fail.

These tests can fail when the build verbosity in VS is set
too low (which was happening on the bots).  This change
doesn't fix it but at least gives more information about
what might be going wrong.


Review URL: https://codereview.chromium.org/286943002

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1572 050acbb0-2703-11df-ab0a-9f3f633ae91d
1 file changed