Add a luci scheduler job for the cros-dut-flash-scheduler dev bot.

Needs https://chromium-review.googlesource.com/c/chromium/tools/build/+/1330732
before this can land.

Bug: 866062
Change-Id: I2e802b8d72df043ddefc1f1caefee205fdfa3161
Reviewed-on: https://chromium-review.googlesource.com/c/1338839
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609415}

infra/config/global/luci-scheduler-dev.cfg

@@ -109,3 +109,21 @@ job {
   # TODO(smut): Adjust frequency.
   schedule: "with 300s interval"
 }
+
+job {
+  # One trigger/schedule for each DUT pool to regularly flash.
+  id: "cros-dut-flash-scheduler-kevin"
+  acl_sets: "default"
+  # Run this early in MTV's morning (ie: UTC's late morning).
+  schedule: "0 10 * * * "
+  buildbucket: {
+    server: "cr-buildbucket-dev.appspot.com"
+    bucket: "luci.chromium.ci"
+    builder: "cros-dut-flash-scheduler"
+    # All the properties needed to specify a single DUT pool.
+    properties: "swarming_server:chromium-swarm-dev.appspot.com"
+    properties: "swarming_pool:luci.chromium.ci"
+    properties: "device_type:kevin"
+    properties: "bb_host:cr-buildbucket-dev.appspot.com"
+  }
+}