crosvm: Fix chromeos testing with jail path
crosvm: Fix chromeos testing with jail path

See crrev/c/3824062/comments/a45b3474_7fe9a571

TEST=FEATURES=test emerge-trogdor chromeos-base/crosvm
BUG=b:235858187

Change-Id: I48ae7b3e5eb992c8fc92c3876d551092f89aebc8
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3885232
Reviewed-by: David Stevens <2f87ba95ff5d327328bd68c2e86a4d9f2ba99bd0@chromium.org>
Commit-Queue: David Stevens <2f87ba95ff5d327328bd68c2e86a4d9f2ba99bd0@chromium.org>
Auto-Submit: Zihan Chen <610a84a32f2086cdab4679002a95cbb619b0396d@google.com>

google/crosvm,google/crosvm,google/crosvm,google/crosvm