Revert of Rework GrPipelineInfo (patchset #7 id:120001 of https://codereview.chromium.org/1213383005/)

Reason for revert:
breaking stuff!

Original issue's description:
> Makes GrPipelineInfo a class with query functions used by GrBatch subclasses.
>
> Committed: https://skia.googlesource.com/skia/+/f5179a4c490bc787190321bd8ffdb0e6a4efa9ac

TBR=joshualitt@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1213013003
26 files changed