quick-provision: Log hashes of downloaded contents for debugging

BUG=chromium:788473
TEST=None

Change-Id: Ibd473e21b7b8972b8f0952c2c4cdf7682bad9d7c
Reviewed-on: https://chromium-review.googlesource.com/804964
Commit-Ready: David Riley <davidriley@chromium.org>
Tested-by: David Riley <davidriley@chromium.org>
Reviewed-by: David Riley <davidriley@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed