Fix housekeeper bot with some gn format.

Change-Id: I3f087913ab2f5a2d9b0ee59b2f7f0c61dbbba673
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/257043
Reviewed-by: Ben Wagner <bungeman@google.com>

build/fuchsia/skqp/BUILD.gn

@@ -124,9 +124,11 @@ action("append_assets_to_manifest") {
     "--deps",
     rebase_path(manifest_deps),
     "--root_build_dir",
-    rebase_path(root_out_dir)
+    rebase_path(root_out_dir),
   ]
 
-  deps = [ ":base_manifest" ]
+  deps = [
+    ":base_manifest",
+  ]
   depfile = manifest_deps
 }