afs: Handle VNOSERVICE as a timeout

afs: Handle VNOSERVICE as a timeout

For whatever reason, the fileserver uses VNOSERVICE to indicate that
an Rx call was killed due to an idledead timeout. It is not used for
any volume errors, so treat it like the idle dead error codes.

Reviewed-on: http://gerrit.openafs.org/8462
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
(cherry picked from commit 22da9ec896f651f066317a85268620a7d3ac46fa)

Change-Id: I58fc7aaba65683f987387ff406bd575018b46d6b
Reviewed-on: http://gerrit.openafs.org/8550
Reviewed-by: Ken Dreyer <ktdreyer@ktdreyer.com>
Reviewed-by: Paul Smeddle <paul.smeddle@gmail.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Tested-by: BuildBot <buildbot@rampaginggeek.com>