Disable NVPR path renderer in DDL mode

I have confirmed locally that the NVPR path renderer is not DDL compatible.

Change-Id: If2d0050079b562f22cc77da41f9f879d97ceb333
Reviewed-on: https://skia-review.googlesource.com/139264
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>

src/gpu/GrContext.cpp

@@ -116,6 +116,7 @@ bool GrContext::initCommon(const GrContextOptions& options) {
         // Disable the small path renderer bc of the proxies in the atlas. They need to be
         // unified when the opLists are added back to the destination drawing manager.
         prcOptions.fGpuPathRenderers &= ~GpuPathRenderers::kSmall;
+        prcOptions.fGpuPathRenderers &= ~GpuPathRenderers::kStencilAndCover;
     }
 
     GrTextContext::Options textContextOptions;