Reset GrOpsRenderPass active buffers during bindPipeline

Change-Id: I7b0162a796f49117d9fb3af043f8c53112edb69f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/280804
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
2 files changed