Add support for blending of LCD for all blend modes.

src/gpu/GrPipelineBuilder.cpp

Index: src/gpu/GrPipelineBuilder.cpp
diff --git a/src/gpu/GrPipelineBuilder.cpp b/src/gpu/GrPipelineBuilder.cpp
index cb3b4af77e3cf9b676dc6afaca8637591d7f31ba..dbef6e8755046ccd026d6796241e810c49127b36 100644
--- a/src/gpu/GrPipelineBuilder.cpp
+++ b/src/gpu/GrPipelineBuilder.cpp
@@ -105,3 +105,4 @@ void GrPipelineBuilder::calcCoverageInvariantOutput(const GrDrawBatch* batch) co
     fCoverageProcInfo.calcCoverageWithBatch(batch, fCoverageFragmentProcessors.begin(),
                                             this->numCoverageFragmentProcessors());
 }
+