[flutter_tools] remove globals from tracing and add unit tests (#65490)
Removes global variables and adds unit tests that can be copied for #65118
J
Jonah Williams committed
b4551e31fc68e1bc562c4f4d3e793830f5fd2f5a
Parent: f0f02ac
Committed by GitHub <noreply@github.com>
on 9/9/2020, 10:55:52 PM