p2p_*: Set label Cr-Internals-Installer when autofiling.

When a new bug is filled as untriaged, add the right Cr- flag so
the owners can watch for new failures.

BUG=chromium:402142
TEST=None

Change-Id: Id77e336ad2ebdea3bee965ff1457a9ccb6a3947b
Reviewed-on: https://chromium-review.googlesource.com/211760
Reviewed-by: David Zeuthen <zeuthen@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
4 files changed