Add config options to run different GPU APIs to dm and nanobench

tests/GrContextFactoryTest.cpp

Index: tests/GrContextFactoryTest.cpp
diff --git a/tests/GrContextFactoryTest.cpp b/tests/GrContextFactoryTest.cpp
index ad83a344d8ad2fddabb16da0b8cf78de7ffe4d43..ebb49d8ee2479fa61c0699418e584b5c849337ea 100644
--- a/tests/GrContextFactoryTest.cpp
+++ b/tests/GrContextFactoryTest.cpp
@@ -19,7 +19,6 @@ DEF_GPUTEST(GrContextFactoryNVPRContextOptions, reporter, /*factory*/) {
     for (int i = 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
         GrContextFactory::GLContextType glCtxType = static_cast<GrContextFactory::GLContextType>(i);
         GrContext* context = testFactory.get(glCtxType,
-                                             kNone_GrGLStandard,
                                              GrContextFactory::kEnableNVPR_GLContextOptions);
         if (!context) {
             continue;