Actually flush the path stencil transform when the matrix changes

src/gpu/gl/GrGpuGL_program.cpp

Index: src/gpu/gl/GrGpuGL_program.cpp
diff --git a/src/gpu/gl/GrGpuGL_program.cpp b/src/gpu/gl/GrGpuGL_program.cpp
index a61ca4443a9fe5777a6d85970dee1d584c6a659b..786640c4671d52102165d3738c5b9918c64b816e 100644
--- a/src/gpu/gl/GrGpuGL_program.cpp
+++ b/src/gpu/gl/GrGpuGL_program.cpp
@@ -211,7 +211,7 @@ void GrGpuGL::flushPathStencilMatrix() {
     const SkMatrix& vm = this->getDrawState().getViewMatrix();
 
     if (fHWPathStencilMatrixState.fRenderTargetOrigin != rt->origin() ||
-        fHWPathStencilMatrixState.fViewMatrix.cheapEqualTo(viewMatrix) ||
+        !fHWPathStencilMatrixState.fViewMatrix.cheapEqualTo(viewMatrix) ||
         fHWPathStencilMatrixState.fRenderTargetSize!= size) {
         // rescale the coords from skia's "device" coords to GL's normalized coords,
         // and perform a y-flip if required.