Remove the last uses of auto glyph cache.

Change-Id: I15fdc5bbe29aaa969fe6ec57010919b52249fd7f
Reviewed-on: https://skia-review.googlesource.com/115886
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Herb Derby <herb@google.com>
3 files changed