Use GCLIENT_PY3=0 in recreate_skps.py

Bug: skia:10665
Change-Id: I28f787a3e7ca651df25c920de729ec6e38994cd8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/313205
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
3 files changed