portage_util.SplitCPV: convert usages to new parser lib.

BUG=chromium:1077379
TEST=run_pytest

Change-Id: Icab78423deef2917ac6dd6e1428c2b993b4176c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2241585
Tested-by: Alex Klein <saklein@chromium.org>
Commit-Queue: Alex Klein <saklein@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Michael Mortensen <mmortensen@google.com>
diff --git a/scripts/autotest_quickmerge.py b/scripts/autotest_quickmerge.py
index c97612b..850f3a4 100644
--- a/scripts/autotest_quickmerge.py
+++ b/scripts/autotest_quickmerge.py
@@ -24,7 +24,7 @@
 from chromite.lib import cros_logging as logging
 from chromite.lib import git
 from chromite.lib import osutils
-from chromite.lib import portage_util
+from chromite.lib.parser import package_info
 
 if cros_build_lib.IsInsideChroot():
   # pylint: disable=import-error
@@ -159,7 +159,7 @@
 
   # Convert string match to package dblink.
   package_cpv = matching_packages[0]
-  package_split = portage_util.SplitCPV(package_cpv)
+  package_split = package_info.SplitCPV(package_cpv)
   # pylint: disable=no-member
   package = portage.dblink(package_split.category,
                            package_split.pv, settings=vartree.settings,