blink_rename_merge_helper: Implement run.py loader stub

tools/blink_rename_merge_helper/COMPONENTS

Index: tools/blink_rename_merge_helper/COMPONENTS
diff --git a/tools/blink_rename_merge_helper/COMPONENTS b/tools/blink_rename_merge_helper/COMPONENTS
new file mode 100644
index 0000000000000000000000000000000000000000..19b648e34fb4cfebcf56d4b2b73199cbab9e073b
--- /dev/null
+++ b/tools/blink_rename_merge_helper/COMPONENTS
@@ -0,0 +1,4 @@
+{
+  "pylib": "a34eaa708cf66b15725973c3d1c52d58e011cd36",
+  "test-win32": "b34eaa708cf66b15725973c3d1c52d58e011cd36"

[Nico, 2017/04/05 20:23:17]

what is this file?

[dcheng, 2017/04/05 20:28:28]

This is just for testing purposes in this CL, to make sure the per-platform
stuff works.

(I didn't actually upload this to gs, since followup CLs will delete this)

If you feel strongly about not having this, I can remove.

+}