Move non-gencode `onDumpInfo` methods to private section.

`onXxxxx` methods in Skia are generally intended to be non-public.

Change-Id: I26b6bdcee653f41a22c91f79d01b20a274210747
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309981
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/ops/GrAAHairLinePathRenderer.cpp b/src/gpu/ops/GrAAHairLinePathRenderer.cpp
index 9fa3710..05a6a95 100644
--- a/src/gpu/ops/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/ops/GrAAHairLinePathRenderer.cpp
@@ -856,14 +856,6 @@
         }
     }
 
-#if GR_TEST_UTILS
-    SkString onDumpInfo() const override {
-        return SkStringPrintf("Color: 0x%08x Coverage: 0x%02x, Count: %d\n%s",
-                              fColor.toBytes_RGBA(), fCoverage, fPaths.count(),
-                              fHelper.dumpInfo().c_str());
-    }
-#endif
-
     FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); }
 
     GrProcessorSet::Analysis finalize(
@@ -961,6 +953,14 @@
         return CombineResult::kMerged;
     }
 
+#if GR_TEST_UTILS
+    SkString onDumpInfo() const override {
+        return SkStringPrintf("Color: 0x%08x Coverage: 0x%02x, Count: %d\n%s",
+                              fColor.toBytes_RGBA(), fCoverage, fPaths.count(),
+                              fHelper.dumpInfo().c_str());
+    }
+#endif
+
     const SkPMColor4f& color() const { return fColor; }
     uint8_t coverage() const { return fCoverage; }
     const SkMatrix& viewMatrix() const { return fPaths[0].fViewMatrix; }