Revert "Prepare to enable explicit gpu resource allocation"

This reverts commit f290376736b42a19b87da78c6ba2558313896860.

Reason for revert: Changed generated effect instead of FP

Original change's description:
> Prepare to enable explicit gpu resource allocation
> 
> Change-Id: I407e45711c61831febbac3d3d3a88e3fdde92c5f
> Reviewed-on: https://skia-review.googlesource.com/68212
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

TBR=bsalomon@google.com,robertphillips@google.com

Change-Id: I949500d94c7461b7cf38d615117cfcdc9a791780
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/68900
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
12 files changed