Update test to expect wpa_supplicant running as wpa

BUG=chromium-os:26569
TEST=run_remote_test ... platform_ProcessPrivileges
passes on 1826.0.0/x86-zgb

Change-Id: I2eb4538a7ee8d5cb89a8b3f4a1daef26fdbdaae0
Reviewed-on: https://gerrit.chromium.org/gerrit/16734
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Ready: Jim Hebert <jimhebert@chromium.org>
Tested-by: Jim Hebert <jimhebert@chromium.org>
1 file changed