Revert of Turned on SkSL->GLSL compiler

src/gpu/glsl/GrGLSLFragmentShaderBuilder.h

Index: src/gpu/glsl/GrGLSLFragmentShaderBuilder.h
diff --git a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.h b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.h
index 6a4a18482932ccfc78a27a825f4b4b0bf9f95e27..ecb6d455ddefcb8be3ebc9a4534ecda2d64ce347 100644
--- a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.h
+++ b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.h
@@ -203,7 +203,7 @@
     }
 #endif
 
-    static const char* DeclaredColorOutputName() { return "sk_FragColor"; }
+    static const char* DeclaredColorOutputName() { return "fsColorOut"; }
     static const char* DeclaredSecondaryColorOutputName() { return "fsSecondaryColorOut"; }
 
     GrSurfaceOrigin getSurfaceOrigin() const;