Add additional GrThreadSafeCache test case

and flush out some non-substantive changes; namely:
  whitespace changes
  tweak what is stored in TessInfo
  change createMesh to be CreateMesh

Bug: 1108408
Change-Id: Ife9a0e500b9f51db597350b0257b20efece03bdc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/329633
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
4 files changed