Revert "Fix bug in GrResourceAllocator's intermediate flushing"

This reverts commit f891548888e88e6b3c55692e976f02fcc2ce6321.

Reason for revert: breaking msaa bots

Original change's description:
> Fix bug in GrResourceAllocator's intermediate flushing
> 
> Without the missing increment of fCurOpListIndex in the intermediate flush case, the drawing manager could end up re-executing an entire opList.
> 
> Bug: 942538
> Change-Id: I1984dc3924871e4f50ed75a9c5f62c63a97a25dd
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/203700
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

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

Change-Id: I4258321891a99ecd570cffba283355cc0bfe522c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 942538
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/203725
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
4 files changed