Revert of Move draw on upload decision in GrGpu (patchset #4 id:50001 of https://codereview.chromium.org/1257073003/)

Reason for revert:
breaking write pixels test on bots

Original issue's description:
> Move draw on upload decision in GrGpu
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/0341b4427e5f037e3b501ed6e57dfdb7b40f150e

TBR=robertphillips@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1260293004
7 files changed