Fix deps2git cache bootstrapping and make it more verbose

bootstrap defaults to False in populate(), which disables the Google Storage bootstrap codepath.  We actually really want this to be on.

Also make deps2git print more, to make these errors more obvious.

BUG=
TEST=ran locally

Review URL: https://codereview.chromium.org/641693004

git-svn-id: http://src.chromium.org/svn/trunk/tools/deps2git@292377 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
2 files changed