autoupdate_*, p2p_*: Add Cr-Internals-Installer label and CC alerts.

This patch adds Cr-Internals-Installer label and CC the alerts group
when an automatic bug is filed.

BUG=chromium:402142
TEST=None

Change-Id: I6355650d6fdd1d1f21a0ac830cc129e47abd6a39
Reviewed-on: https://chromium-review.googlesource.com/212325
Reviewed-by: Chris Sosa <sosa@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
9 files changed