Allow xos to have dev SemVer patches

Don't perform XOS api tests on docs-only patches

Change-Id: Ib29c28d4c7b985864a691b30a3661b232054c696
ehange-Id: Ib04702c93e9c474e5b8c05cbfcfabfc53bf53c76
diff --git a/jjb/api-test.yaml b/jjb/api-test.yaml
index f72b0ac..556b407 100644
--- a/jjb/api-test.yaml
+++ b/jjb/api-test.yaml
@@ -13,7 +13,7 @@
           gerrit-server-name: '{gerrit-server-name}'
           project-regexp: '^{project}$'
           branch-regexp: '{branch-regexp}'
-          file-include-regexp: '{all-files-regexp}'
+          file-include-regexp: '{not-doc-files-regexp}'
           dependency-jobs: '{dependency-jobs}'
 
     properties: