Do not try to get fragment input locations with CHROMIUM_path_rendering

Do not try to get fragment input locations with CHROMIUM_path_rendering,
it uses the binding mechanism in CHROMIUM_path_rendering

BUG=skia:2992
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1618773002

Review URL: https://codereview.chromium.org/1618773002
diff --git a/src/gpu/gl/builders/GrGLProgramBuilder.cpp b/src/gpu/gl/builders/GrGLProgramBuilder.cpp
index 18d1917..52ef7b5 100644
--- a/src/gpu/gl/builders/GrGLProgramBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLProgramBuilder.cpp
@@ -234,7 +234,7 @@
 
     // handle NVPR separable varyings
     if (!fGpu->glCaps().shaderCaps()->pathRenderingSupport() ||
-        !fGpu->glPathRendering()->shouldBindFragmentInputs()) {
+        fGpu->glPathRendering()->shouldBindFragmentInputs()) {
         return;
     }
     int count = fVaryingHandler.fPathProcVaryingInfos.count();