Revert of Better encapsulate oval/rrect batchs. (patchset #3 id:40001 of https:/...

Revert of Better encapsulate oval/rrect batchs. (patchset #3 id:40001 of https://codereview.chromium.org/2104423003/ )

Reason for revert:
Causing assertion error on Test-Mac-Clang-MacMini4.1-GPU-GeForce320M-x86_64-Debug (https://chromium-swarm.appspot.com/user/task/2fb6ee239783b910) and Test-Win8-MSVC-ShuttleA-GPU-GTX960-x86_64-Debug (https://chromium-swarm.appspot.com/user/task/2fb6ebcc157fed10).

Original issue's description:
> Better encapsulate oval/rrect batchs.
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2104423003
>
> Committed: https://skia.googlesource.com/skia/+/5fd209e8ee477c703bc5c11b008f247d515fc0fc

TBR=robertphillips@google.com,bsalomon@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2109913005