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

tests/GLProgramsTest.cpp

Index: tests/GLProgramsTest.cpp
diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 9fa8dafda61f9bd9ab0d83d0622a9f2c5d093474..065abf662b5b0670804067691c7ce9f9a6b1b3f0 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -435,18 +435,22 @@ DEF_GPUTEST(GLPrograms, reporter, factory) {
                 return;
             }
 #if SK_ANGLE
+#ifdef SK_BUILD_FOR_WIN
             // Some long shaders run out of temporary registers in the D3D compiler on ANGLE.
             if (type == GrContextFactory::kANGLE_GLContextType) {
                 maxStages = 2;
             }
 #endif
+#endif
 #if SK_COMMAND_BUFFER
+#ifdef SK_BUILD_FOR_WIN
             // Some long shaders run out of temporary registers in the D3D compiler on ANGLE.
             // TODO(hendrikw): This only needs to happen with the ANGLE comand buffer backend.
             if (type == GrContextFactory::kCommandBuffer_GLContextType) {
                 maxStages = 2;
             }
 #endif
+#endif
             REPORTER_ASSERT(reporter, GrDrawingManager::ProgramUnitTest(context, maxStages));
         }
     }