[NaCl Addin] Add testing against pepper_24.

Also, add/cleanup annotator output for the addin.

BUG=None

Review URL: https://codereview.chromium.org/12197018

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1496 050acbb0-2703-11df-ab0a-9f3f633ae91d
1 file changed