Add tests for tail handling in SkJumper.

Change-Id: Ib4ecc33dc9552c16b5530359cd3649487e70bbed
Reviewed-on: https://skia-review.googlesource.com/18067
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed