logging: use cros_logging instead of logging

Replace all instances of import logging in chromite with cros_logging.

BUG=brillo:615
TEST=unittests + trybot
CQ-DEPEND=CL:260455

Change-Id: I3cf7ad9301290e736de2eebea00e9085656a2d5b
Reviewed-on: https://chromium-review.googlesource.com/261311
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Ralph Nathan <ralphnathan@chromium.org>
Tested-by: Ralph Nathan <ralphnathan@chromium.org>
diff --git a/scripts/deploy_chrome.py b/scripts/deploy_chrome.py
index 399fc9b..7f778c2 100644
--- a/scripts/deploy_chrome.py
+++ b/scripts/deploy_chrome.py
@@ -21,7 +21,6 @@
 import contextlib
 import functools
 import glob
-import logging
 import multiprocessing
 import os
 import optparse
@@ -33,8 +32,9 @@
 from chromite.cbuildbot import failures_lib
 from chromite.cros.commands import cros_chrome_sdk
 from chromite.lib import chrome_util
-from chromite.lib import cros_build_lib
 from chromite.lib import commandline
+from chromite.lib import cros_build_lib
+from chromite.lib import cros_logging as logging
 from chromite.lib import gs
 from chromite.lib import osutils
 from chromite.lib import parallel