Fix automatic feedback downloading

The Feedback team updated their API and requires use of
GaiaMint credentials, which need to be refreshed periodically.
This CL uses the new credentials and API to download batches of
feedback reports.  It must be run outside the chroot. For example,
100 feedback reports can be downloaded like so:

$ prodaccess
$ mtstat -d 100

BUG=none
TEST=manually tested downloading up to 1000 reports

Change-Id: I0131e972358c05465ab982e07534814f48265fce
Reviewed-on: https://chromium-review.googlesource.com/495646
Commit-Ready: Sean O'Brien <seobrien@chromium.org>
Tested-by: Sean O'Brien <seobrien@chromium.org>
Reviewed-by: Dennis Kempin <denniskempin@google.com>
6 files changed
tree: cb5f40775dac7530bc566c3eb202c2badba6cf6e
  1. Makefile
  2. PRESUBMIT.cfg
  3. __init__.py
  4. common.mk
  5. mtbringup/
  6. mtedit/
  7. mtlib/
  8. mtreplay/
  9. mtstat/
  10. platforms/