OWB-1009 adapt validation of interceptors for CDI-1.2

txs to Reinhard Sandtner (rsandtner) for the patch!
Applied without updating the TCK as it's not yet released


git-svn-id: https://svn.apache.org/repos/asf/openwebbeans/trunk@1626159 13f79535-47bb-0310-9956-ffa450edef68