hide the SkPaint::Align enum entirely

Bug: skia:2664
Change-Id: I080b015dbcb3a3cd73bb6847f3243a996d5f7b7d
Reviewed-on: https://skia-review.googlesource.com/c/166282
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
37 files changed