Migrate to auto-generated LUCI configs

$ lucicfg generate config.star

Docs for lucicfg: https://chromium.googlesource.com/infra/luci/luci-go/+/master/lucicfg/doc/

Just for reference, lucicfg semantic-diff for cr-buildbucket.cfg:
https://pastebin.com/9f0cNUd9
https://chromium.googlesource.com/infra/luci/luci-go/+/master/lucicfg/cli/cmds/diff/diff.go

NOTE: This does not migrate luci-notify.cfg because that's not supported yet in lucicfg.

Change-Id: I02532ba8fa9d951c4775079b6b5799590926922f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/126623
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Artem Titarenko <artit@google.com>
diff --git a/console-header.textpb b/console-header.textpb
new file mode 100644
index 0000000..65fce42
--- /dev/null
+++ b/console-header.textpb
@@ -0,0 +1,59 @@
+tree_status_host: "webrtc-status.appspot.com"
+links {
+  name: "Consoles"
+  links {
+    text: "WebRTC"
+    url: "/p/webrtc/g/ci"
+    alt: "WebRTC Main CI Console"
+  }
+  links {
+    text: "WebRTC Cron"
+    url: "/p/webrtc/g/cron"
+    alt: "WebRTC Cron Console"
+  }
+  links {
+    text: "WebRTC Perf"
+    url: "/p/webrtc/g/perf"
+    alt: "WebRTC Perf Console"
+  }
+  links {
+    text: "Chromium"
+    url: "/p/chromium/g/chromium.webrtc"
+    alt: "Chromium WebRTC Console"
+  }
+  links {
+    text: "Chromium FYI"
+    url: "/p/chromium/g/chromium.webrtc.fyi"
+    alt: "Chromium WebRTC FYI Console"
+  }
+  links {
+    text: "Try WebRTC"
+    url: "/p/webrtc/g/try"
+    alt: "WebRTC Try Builders"
+  }
+}
+links {
+  name: "Links"
+  links {
+    text: "Source"
+    url: "https://webrtc.googlesource.com/src/+/master/"
+  }
+  links {
+    text: "Reviews"
+    url: "https://webrtc-review.googlesource.com/"
+  }
+  links {
+    text: "Bugs"
+    url: "https://bugs.webrtc.org/"
+  }
+  links {
+    text: "LKGR status"
+    url: "https://storage.cloud.google.com/chromium-webrtc/lkgr-status/webrtc-lkgr-status.html"
+  }
+}
+console_groups {
+  console_ids: "webrtc/ci"
+  console_ids: "webrtc/perf"
+  console_ids: "chromium/chromium.webrtc"
+  console_ids: "chromium/chromium.webrtc.fyi"
+}