Show fastlane stdout in build logs. (#2632)
Show fastlane stdout in build logs. (#2632)

# Why

I think we used to do this to avoid sensitive information leaking, but I'm not sure why we do it now, especially when we sanitize secrets from our logs.

# How

`true` -> `false`

# Test Plan

Don't think this requires much of a test plan, opening a PR since I might be out of date as to the rationale for this setting.

fbshipit-source-id: 2ff7ce6

exponentjs/xdl,exponentjs/xdl,exponentjs/xdl