upstream cr/165303354

The only interesting difference here is that I've just skipped
cd_Documents() on Google3 iOS builds rather than adding a new target to
BUILD.  We don't run the binary so it's kind of moot what directory it'd
run in.

Change-Id: I1994e0283d24bcc505fa9b2b7b58307eafa5be92
Reviewed-on: https://skia-review.googlesource.com/34742
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
3 files changed