Fix cluster reporting from shaper.

Bug: skia:8420
Change-Id: I7eea8c6b3af2153a1ac1189782fc6cbaaf9ee5c6
Reviewed-on: https://skia-review.googlesource.com/c/190821
Reviewed-by: Hal Canary <halcanary@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Ben Wagner <bungeman@google.com>
10 files changed