tree d0df7f234fe3aeb17b4fa7dce81c9d7ff2680773
parent a0f88c076349f84cfc3aeae01bf4043affe9775d
author John Cater <jcater@google.com> 1556201021 -0700
committer Copybara-Service <copybara-worker@google.com> 1556201132 -0700

Create a real ToolchainContext for TransitionsOutputFormatterCallback.

Part of work on execution transitions, #7935.

Closes #8121.

PiperOrigin-RevId: 245228413