Adding SkiaGL RE information to dumpsys

Test: adb shell dumpsys SurfaceFlinger
Bug: 178539829
Change-Id: I46f016c055d73d073468785b1e67d848fd1b81ac
Merged-In: I46f016c055d73d073468785b1e67d848fd1b81ac
(cherry picked from commit b483d52743474d50c187cfe6af359a7664c3b701)
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index 3294de8..810fc2a 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -63,7 +63,7 @@
     bool useProtectedContext(bool useProtectedContext) override;
 
 protected:
-    void dump(std::string& /*result*/) override{};
+    void dump(std::string& result) override;
     size_t getMaxTextureSize() const override;
     size_t getMaxViewportDims() const override;