cros deploy: don't compress binpkgs

These files are already fully compressed using bzip2, so don't try
to compress them a second time using zlib.  It just wastes cpu time
and slows things down.

BUG=None
TEST=`cros deploy` still works

Change-Id: I0bca02f71d171b523ebf9d8c1bf20a4d87e01462
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2653562
Reviewed-by: Sergey Frolov <sfrolov@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/cli/deploy.py b/cli/deploy.py
index 4def3ac..1183eb5 100644
--- a/cli/deploy.py
+++ b/cli/deploy.py
@@ -784,7 +784,8 @@
 
   # This message is read by BrilloDeployOperation.
   logging.notice('Copying %s to device.', pkg_name)
-  device.CopyToDevice(pkg_path, pkg_dir, mode='rsync', remote_sudo=True)
+  device.CopyToDevice(pkg_path, pkg_dir, mode='rsync', remote_sudo=True,
+                      compress=False)
 
   logging.info('Use portage temp dir %s', portage_tmpdir)