tree 9fec583a59b8ee6ee0f4fac513d5471956dfe1d3
parent 8f8b8859fc7d85feee97481443fb11c0b7ae03ce
author tomlu <tomlu@google.com> 1511992881 -0800
committer Copybara-Service <copybara-piper@google.com> 1511993010 -0800

Add ActionKeyContext to Action#getKey.

This key context can be used by actions to share partial key computations, for instance when computing MD5s for nested sets.

RELNOTES: None
PiperOrigin-RevId: 177359607