tree 9add43d48eff8665d73ba86d67434da1e42b4d33
parent 4205ed4926de34aa3707a84b0db3ceb4c3236aaa
author brandjon <brandjon@google.com> 1517909566 -0800
committer Copybara-Service <copybara-piper@google.com> 1517909675 -0800

Add debugging helper to Environment.Extension to say why something's unequal

RELNOTES: None
PiperOrigin-RevId: 184649483