crostestutils: Add cros_run_tast_vm_test.

Add a script that launches a VM and runs one or more
Tast-based tests against it. This is patterned heavily after
the existing cros_run_vm_test script for running
Autotest-based tests.

BUG=chromium:772053
TEST=ran it and verified that starts a VM, runs the
     requested tests on it, and then stops it

Change-Id: I6dc90f2e3061289c68381031c5908bdece182c1f
Reviewed-on: https://chromium-review.googlesource.com/702794
Commit-Ready: Dan Erat <derat@chromium.org>
Tested-by: Dan Erat <derat@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
1 file changed