There's no particular UUID generator on Fuchsia, so use the RandBytes()
version. (That won't work either yet, but will once RandBytes() is
implemented.)
Bug: crashpad:196
Change-Id: Id740bbfc80e170d7ab19995ac88db5eed474c119
Reviewed-on: https://chromium-review.googlesource.com/786822
Commit-Queue: Scott Graham <scottmg@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>