tree dff42639e16b5b0dbf7bffd22abb9c7f3740e4f0
parent 25c65258eed6c40ffdd261a23010efd126f2384c
author juliexxia <juliexxia@google.com> 1591982186 -0700
committer Copybara-Service <copybara-worker@google.com> 1591982283 -0700

For RuleContext#getActionOwner, return null instead of crashing if you request an ActionOwner for a non-existent exec group. This makes it easier for callers to handle the return if they aren't sure what exec groups is going to exist in the rulecontext.

PiperOrigin-RevId: 316126509