Revert of Make setVertexAttribs in GrDrawState take a stride parameter. (patchset #5 of https://codereview.chromium.org/511593004/)

Reason for revert:
GM failures on http://108.170.220.120:10115/builders/Test-Ubuntu12-ShuttleA-GTX660-x86-Release/builds/1867/

Original issue's description:
> Make setVertexAttribs in GrDrawState take a stride parameter.
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/af013bf8afc4c77ab8ff230f536e2ade973427fa

R=bsalomon@google.com, egdaniel@google.com
TBR=bsalomon@google.com, egdaniel@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: djsollen@google.com

Review URL: https://codereview.chromium.org/502533004
diff --git a/src/gpu/GrRODrawState.cpp b/src/gpu/GrRODrawState.cpp
index 9118d0d..1460f57 100644
--- a/src/gpu/GrRODrawState.cpp
+++ b/src/gpu/GrRODrawState.cpp
@@ -25,7 +25,6 @@
         this->fBlendConstant != that.fBlendConstant ||
         this->fFlagBits != that.fFlagBits ||
         this->fVACount != that.fVACount ||
-        this->fVAStride != that.fVAStride ||
         memcmp(this->fVAPtr, that.fVAPtr, this->fVACount * sizeof(GrVertexAttrib)) ||
         this->fStencilSettings != that.fStencilSettings ||
         this->fDrawFace != that.fDrawFace) {
@@ -51,6 +50,7 @@
         }
     }
 
+    SkASSERT(this->fVertexSize == that.fVertexSize);
     SkASSERT(0 == memcmp(this->fFixedFunctionVertexAttribIndices,
                             that.fFixedFunctionVertexAttribIndices,
                             sizeof(this->fFixedFunctionVertexAttribIndices)));