Wrap GN args in ""

BUG=

Change-Id: If4c20d6d013e392da3b88dbb70855320c505f8a8
Reviewed-on: https://skia-review.googlesource.com/7178
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
4 files changed
tree: 04e911cc3e09eac5bc73d819123c0c43e13fae79
  1. .gitignore
  2. infra/
  3. recipe_modules/
  4. recipes.py
  5. recipes/
  6. test.py