Fix asan_device_setup path

https://skia-review.googlesource.com/c/skia/+/225483 updated only one of
two paths. Define them in the same place.

Change-Id: I6d517368f6a703d7c8cd4def6fa227a602dc0ffc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/261289
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Ben Wagner aka dogben <benjaminwagner@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
3 files changed