Revert "Move more internal methods from GrContext to GrContextPriv (take 2)"

This reverts commit c22e50bd317fe3658445c04e18a6e319d746c510.

Reason for revert: Speculative fix for Android roll

Original change's description:
> Move more internal methods from GrContext to GrContextPriv (take 2)
> 
> Change-Id: I47108910517d61edeb52f82793d384fdb5605d45
> Reviewed-on: https://skia-review.googlesource.com/97241
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>

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

Change-Id: I3a77ac33c5f48529357cf9c683d5f4cacaa2379f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/97582
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
35 files changed