Revert of Change desktop and ES 3.0 to always use sized internal texture formats. (patchset #2 id:20001 of https://codereview.chromium.org/806943002/)

Reason for revert:
Failing GMs on Mac, Windows and Ubuntu12.

Original issue's description:
> Change desktop and ES 3.0 to always use sized internal texture formats.
>
> Committed: https://skia.googlesource.com/skia/+/bc02bf0ee4221604796cd6d0394ca3af60c0a579

TBR=bsalomon@google.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/805193003
1 file changed