Make SkSmallAllocator obey alignment properties of objects.

TBR=mtklein@google.com

Change-Id: I505590f18a7e5babc9f0fc8af07d89b774d267bf
Reviewed-on: https://skia-review.googlesource.com/7728
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed