Revert "Merge GrOpList and GrRTOpList and rename to GrOpsTask."

This reverts commit 2a5954140b49d18e5161a30a4ae2c7ac28bc1993.

Reason for revert: breaking everything

Original change's description:
> Merge GrOpList and GrRTOpList and rename to GrOpsTask.
> 
> Change-Id: I8f4f2218a30fd0541a8f79f7bb9850f9500cd243
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/236343
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

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

Change-Id: I27840ea0343e8e6b388556afb7bd2e76386d611d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/236349
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrRenderTask.cpp b/src/gpu/GrRenderTask.cpp
index 639f4cf..0d54208 100644
--- a/src/gpu/GrRenderTask.cpp
+++ b/src/gpu/GrRenderTask.cpp
@@ -119,7 +119,7 @@
 
     // Does this proxy have mipmaps that need to be regenerated?
     if (GrMipMapped::kYes == mipMapped && textureProxy->mipMapsAreDirty()) {
-        // Create a renderTask that resolves the texture's mipmap data.
+        // Create an opList that resolves the texture's mipmap data.
         GrRenderTask* textureResolveTask = textureResolveManager.newTextureResolveRenderTask(
                 sk_ref_sp(textureProxy), GrTextureResolveFlags::kMipMaps, caps);
 
@@ -130,7 +130,7 @@
                  textureResolveTask->fDeferredProxies.back() == textureProxy);
 
         // The GrTextureResolveRenderTask factory should have also marked the mipmaps clean, set the
-        // last renderTask on the textureProxy to textureResolveTask, and closed textureResolveTask.
+        // last opList on the textureProxy to textureResolveTask, and closed textureResolveTask.
         SkASSERT(!textureProxy->mipMapsAreDirty());
         SkASSERT(textureProxy->getLastRenderTask() == textureResolveTask);
         SkASSERT(textureResolveTask->isClosed());