[infra] internal_hardware_label is a string now

Thanks, Python.

Bug: skia:7050
Change-Id: I71434effc5da31967190e2eb06bbba2010061e80
Reviewed-on: https://skia-review.googlesource.com/123502
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
1 file changed