Enforce alignment in SkDescriptor deserialization

SkDescriptor::Alloc asserts on this.

Bug: chromium:942430
Change-Id: Iad28f02bd261b03b5cff33bd1959946787c4087f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201602
Auto-Submit: Adrienne Walker <enne@chromium.org>
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
(cherry picked from commit 5d3ddcb6d8beca098297b644e211277f2ac12f43)
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202342
Commit-Queue: Adrienne Walker <enne@chromium.org>
Reviewed-by: Adrienne Walker <enne@chromium.org>
1 file changed