Rename GrGlyphCache -> GrStrikeCache

Change-Id: Ie6fdcc6ce1f2265783ebb4dcd1b1ce087a296ddf
Reviewed-on: https://skia-review.googlesource.com/c/184500
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Herb Derby <herb@google.com>
20 files changed