Disable ExtensionApiTest.NativeMessageBasic

The CL that introduced this was reverted, but that had to be reverted because
of compile failures, and somehow a data file this depends on didn't get
re-added. Just disable it until the revert can be re-landed. Make sense? :)

TBR=mpcomplete@chromium.org

BUG=142915

Review URL: https://codereview.chromium.org/10979038

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@158874 0039d316-1c4b-4281-b951-d872f2087c98