xrootd: Upgrade to xrootd4j 1.3.5

Fixes problems with kXR_set requests.

Ticket: http://rt.dcache.org/Ticket/Display.html?id=8468
Ticket: http://rt.dcache.org/Ticket/Display.html?id=8429
Target: trunk
Request: 2.10
Request: 2.9
Request: 2.8
Request: 2.7
Request: 2.6
Require-notes: yes
Require-book: no
Acked-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Patch: https://rb.dcache.org/r/7344/