Write a phony target for the top-level directory of a create_bundle target.

This is needed so that if a create_bundle is used as a bundle_data in another
bundle, the dependent bundle can be specified as a sources.

BUG=297668
R=brettw@chromium.org

Review URL: https://codereview.chromium.org/1892243002

Cr-Original-Commit-Position: refs/heads/master@{#389101}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a23feb50e97c016318d5a859609f8f6a139f0ed5
4 files changed
tree: 84cf8c59df0f18921f23f89b5aa536dc529e9e7e
  1. tools/