Revert "Shrink GrDrawOpAtlases when no longer needed"

This reverts commit 7cf59526c9b1ab3682e875d449200e51f3b6ff32.

Reason for revert: Red red bots... it's tearing me apart...

Original change's description:
> Shrink GrDrawOpAtlases when no longer needed
> 
> Bug: skia:3550
> Change-Id: I7b09aa2b0fd22ed99694f32f9f395392ef80e238
> Reviewed-on: https://skia-review.googlesource.com/49901
> Commit-Queue: Jim Van Verth <jvanverth@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

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

Change-Id: I8331ec79b0796e1f75d7cc53b9753f886aea7fcd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:3550
Reviewed-on: https://skia-review.googlesource.com/50220
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
12 files changed