lakitu: add app-admin/google-osconfig-agent

BUG=b:152434359
TEST=`emerge-lakitu google-osconfig-agent` in cros_sdk succeeded.
      Also, built an image and created a VM instance in a Google Cloud
      project with that image. For the Google Cloud project, OS Config
      API had been enabled using the following command on a developer
      workstation:

        gcloud --project=<project name> services enable \
          osconfig.googleapis.com

      And when creating the VM instance, set three metadata values
      using the following command on a developer workstation:

        gcloud --project=<project name> compute instances create \
          --image <image name> --zone <zone name> \
          --metadata=enable-osconfig=TRUE,enable-guest-attributes=TRUE,enable-os-inventory=TRUE \
          <instance name>

      Then, on the VM, the following command showed meaningful
      results:

        systemctl status google-osconfig-agent

      Also, the following command on a developer workstation showed
      correct information:

        gcloud --project=<project name> compute instances \
          os-inventory describe --zone=<zone name> <instance name>

RELEASE_NOTE=Added Google OS Config Agent

Cq-Depend: chrome-internal:3142126
Change-Id: I93c8436fde7ca15aa3dd76be6591011eb8687c1a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/board-overlays/+/2276113
Tested-by: Edward Jee <edjee@google.com>
Commit-Queue: Edward Jee <edjee@google.com>
Auto-Submit: Edward Jee <edjee@google.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
diff --git a/overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1-r4.ebuild b/overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1-r5.ebuild
similarity index 100%
rename from overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1-r4.ebuild
rename to overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1-r5.ebuild
diff --git a/overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1.ebuild b/overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1.ebuild
index 3803477..83628b1 100644
--- a/overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1.ebuild
+++ b/overlay-lakitu/sys-apps/system-sysdaemons/system-sysdaemons-0.0.1.ebuild
@@ -18,6 +18,7 @@
 	google-accounts-daemon.service
 	google-clock-skew-daemon.service
 	google-network-daemon.service
+	google-osconfig-agent.service
 	metrics-daemon.service
 	update-engine.service
 "
diff --git a/overlay-lakitu/virtual/target-lakitu/target-lakitu-2-r5.ebuild b/overlay-lakitu/virtual/target-lakitu/target-lakitu-2-r6.ebuild
similarity index 100%
rename from overlay-lakitu/virtual/target-lakitu/target-lakitu-2-r5.ebuild
rename to overlay-lakitu/virtual/target-lakitu/target-lakitu-2-r6.ebuild
diff --git a/overlay-lakitu/virtual/target-lakitu/target-lakitu-2.ebuild b/overlay-lakitu/virtual/target-lakitu/target-lakitu-2.ebuild
index df6536c..afecc73 100644
--- a/overlay-lakitu/virtual/target-lakitu/target-lakitu-2.ebuild
+++ b/overlay-lakitu/virtual/target-lakitu/target-lakitu-2.ebuild
@@ -22,6 +22,7 @@
 	watchdog? ( sys-apps/daisydog )
 	app-admin/node-problem-detector
 	stackdriver_alpha? ( app-admin/stackdriver )
+	app-admin/google-osconfig-agent
 	app-admin/sosreport
 	app-admin/sudo
 	app-admin/toolbox