guard ios test apps with skia_enable_tools

Bug: b/361369292
Change-Id: If675ac4cf8697dee8b836c1b172dab6a2fe4596c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/896096
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Auto-Submit: Jorge Betancourt <jmbetancourt@google.com>
1 file changed