[autotest]: is_arc_available has moved to utils.

BUG=None
TEST=this is the test

Change-Id: I181ba415fb02edf7263dd184e84ced2702e695d1
Reviewed-on: https://chromium-review.googlesource.com/462443
Commit-Ready: Achuith Bhandarkar <achuith@chromium.org>
Tested-by: Achuith Bhandarkar <achuith@chromium.org>
Reviewed-by: Luis Hector Chavez <lhchavez@chromium.org>
diff --git a/client/bin/vm_sanity.py b/client/bin/vm_sanity.py
index c0afc6b..091c9be 100755
--- a/client/bin/vm_sanity.py
+++ b/client/bin/vm_sanity.py
@@ -34,7 +34,7 @@
 
     start = datetime.datetime.now()
     logging.info('Starting chrome and logging in.')
-    is_arc_available = chrome.is_arc_available()
+    is_arc_available = utils.is_arc_available()
     arc_mode = arc_common.ARC_MODE_ENABLED if is_arc_available else None
     with chrome.Chrome(arc_mode=arc_mode) as cr:
         # Check that the cryptohome is mounted.