Move auditTrail and opMemoryPool from GrContext to GrRecordingContext

Any context that records ops (i.e., direct and/or DDL) will need these two objects.

Change-Id: Ifd3527c23a4015f7d469ad2222563508cccbd339
Reviewed-on: https://skia-review.googlesource.com/c/190307
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
10 files changed