8168005: Introduce namespaces for GET, SET Dynalink operationsReviewed-by: hannesw, sundar
8156820: Nashorn nightly test failure after fix for 8156738Reviewed-by: hannesw, mhaupt
8156738: Use StackWalker for DynamicLinker.getLinkedCallSiteLocationReviewed-by: hannesw, sundar