Restore project.cfg.

TBR=hinoka

Change-Id: I5afcd9bb682fd00fc54ba9c1b20f77c31784efdb
Reviewed-on: https://chromium-review.googlesource.com/c/1489476
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
diff --git a/project.cfg b/project.cfg
new file mode 100644
index 0000000..7262476
--- /dev/null
+++ b/project.cfg
@@ -0,0 +1,5 @@
+# For the schema of this file and documentation, see ProjectCfg message in
+# https://luci-config.appspot.com/schemas/projects:project.cfg
+
+name: "depot_tools"
+access: "group:all" # public