cvetriager: cl generator: CL link capture fix

The bin/ script now logs the CL links to corresponding successful
patches to a kernel. This change also includes a fix in do_push, where
the output of the push is captured.

BUG=chromium:1093363
TEST=python setup.py test

Change-Id: Idb62c65c1ce2eb88e3553da66181f9d47b790d79
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2311189
Reviewed-by: Zubin Mithra <zsm@chromium.org>
Commit-Queue: Wanda Mora <morawand@chromium.org>
Tested-by: Wanda Mora <morawand@chromium.org>
2 files changed