[graphite] Add PaintParamsKey to pipeline labels and traces

Change-Id: I993dca9b7ca43e3ac24de39f548a0703c29771e2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/841516
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
9 files changed