Fix upstart bridge conf's to match ChromeOS's usage.

This adds missing metadata expected on ChromeOS and replaces
upstart-socket-bridge.conf with the ChromeOS version.

BUG=b:213235948
TEST=cros lint *.conf

Change-Id: I6e4b506584bd850479f434982a7b46054122a47f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/upstart/+/3498894
Commit-Queue: Allen Webb <allenwebb@google.com>
Tested-by: Allen Webb <allenwebb@google.com>
Auto-Submit: Allen Webb <allenwebb@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/extra/conf/upstart-socket-bridge.conf b/extra/conf/upstart-socket-bridge.conf
index b9844cb..87249f9 100644
--- a/extra/conf/upstart-socket-bridge.conf
+++ b/extra/conf/upstart-socket-bridge.conf
@@ -2,13 +2,18 @@
 #
 # This helper daemon receives socket(7) events and
 # emits equivalent Upstart events.
+#
+# Modified by: chromium-os-dev@chromium.org
 
 description	"Bridge socket events into upstart"
+author          "Canonical Ltd."
+
+oom score -100
 
 emits socket
 
-start on net-device-up IFACE=lo
-stop on runlevel [!2345]
+start on starting system-services
+stop on stopping system-services
 
 expect daemon
 respawn
diff --git a/extra/conf/upstart-udev-bridge.conf b/extra/conf/upstart-udev-bridge.conf
index af172a2..abd3690 100644
--- a/extra/conf/upstart-udev-bridge.conf
+++ b/extra/conf/upstart-udev-bridge.conf
@@ -2,8 +2,13 @@
 #
 # This helper daemon receives udev events from the netlink socket and
 # emits equivalent Upstart events.
+#
+# Modified by: chromium-os-dev@chromium.org
 
 description	"Bridge udev events into upstart"
+author          "Canonical Ltd."
+
+oom score -100
 
 emits *-device-*