Hairline batch

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/6eff8701f027016fbb3147412ec2292dcec2b7f5

Committed: https://skia.googlesource.com/skia/+/658d55cd6121c67488aaf5d0832c9712737f26a5

Review URL: https://codereview.chromium.org/876673002
diff --git a/src/gpu/GrAARectRenderer.cpp b/src/gpu/GrAARectRenderer.cpp
index 48692eb..420c9e7 100644
--- a/src/gpu/GrAARectRenderer.cpp
+++ b/src/gpu/GrAARectRenderer.cpp
@@ -208,10 +208,7 @@
             return false;
         }
 
-        if (this->usesLocalCoords() != that->usesLocalCoords()) {
-            return false;
-        }
-
+        SkASSERT(this->usesLocalCoords() == that->usesLocalCoords());
         // We apply the viewmatrix to the rect points on the cpu.  However, if the pipeline uses
         // local coords then we won't be able to batch.  We could actually upload the viewmatrix
         // using vertex attributes in these cases, but haven't investigated that