remote fonts: Also send empty paths so they don't count in cache misses.

R=herb@google.com

Bug: 960981
Change-Id: Ib2aada3bbb6d62fcc25498a3ba09a5b787c583a6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215611
Auto-Submit: Khushal Sagar <khushalsagar@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Khushal Sagar <khushalsagar@chromium.org>
2 files changed