Add debug option to clip each GrBatch to its device bounds

src/gpu/GrTest.cpp

Index: src/gpu/GrTest.cpp
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
index f0f63702541a115fbb734be46fd17d48caf1e620..b0d92fec304573521a8c3bc793d0fb1e76078cf5 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -318,7 +318,7 @@ void GrContext::initMockContext() {
     SkASSERT(nullptr == fGpu);
     fGpu = new MockGpu(this, options);
     SkASSERT(fGpu);
-    this->initCommon();
+    this->initCommon(options);
 
     // We delete these because we want to test the cache starting with zero resources. Also, none of
     // these objects are required for any of tests that use this context. TODO: make stop allocating