Revert "store vertices arrays inline with object"

Revert "store vertices arrays inline with object"

This reverts commit eaaebb19a17d213355e7a70e0cfabe4ba61929d4.

Reason for revert: may call SkReader32::read(null, 0) -- reader needs to handle this

Original change's description:
> store vertices arrays inline with object
>
> Also unify some of naming (esp. around texCoords)
>
> BUG=skia:6366
>
> Change-Id: I5a6793f029cccf0cd0a2c1d180b259ce4eab526f
> Reviewed-on: https://skia-review.googlesource.com/9705
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
>

TBR=bsalomon@google.com,reed@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:6366

Change-Id: Ie421654bcd74d74f8be6676291e3d6e16e2a7a16
Reviewed-on: https://skia-review.googlesource.com/9727
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>