getdeps: constrain testpilot to our number of jobs

Summary: testpilot's defaults assume a bigger machine than some of our laptops

Reviewed By: fanzeyi

Differential Revision: D17878120

fbshipit-source-id: e01f1f9c77a4f5f011051c9c642dbe934c66bc0b

build/fbcode_builder/getdeps/builder.py

@@ -503,6 +503,7 @@ if __name__ == "__main__":
                 "--buck-test-info",
                 buck_test_info_name,
                 "--retry=3",
+                "-j=%s" % str(self.build_opts.num_jobs),
                 "--test-config",
                 "platform=%s" % machine_suffix,
                 "buildsystem=getdeps",