Remove GP from drawstate, revision of invariant output for GP

src/gpu/effects/GrBicubicEffect.cpp

Index: src/gpu/effects/GrBicubicEffect.cpp
diff --git a/src/gpu/effects/GrBicubicEffect.cpp b/src/gpu/effects/GrBicubicEffect.cpp
index 8ada70eaa99f1dc936987d90a5a47b4474cdc14b..76edff0dc6c48701791a94e409109fe5253da635 100644
--- a/src/gpu/effects/GrBicubicEffect.cpp
+++ b/src/gpu/effects/GrBicubicEffect.cpp
@@ -175,7 +175,7 @@ bool GrBicubicEffect::onIsEqual(const GrFragmentProcessor& sBase) const {
 
 void GrBicubicEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     // FIXME: Perhaps we can do better.
-    inout->mulByUnknownAlpha();
+    inout->mulByUnknownSingleComponent();
 }
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrBicubicEffect);