Suppress gtest error for tests without any instance

Bug: 162052785
Test: m -j vts
Change-Id: I8c1a48e6fbd7c8161137902b5332911fa0d7b8b3
diff --git a/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.h b/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.h
index 98295ff..b72df88 100644
--- a/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.h
+++ b/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.h
@@ -47,6 +47,7 @@
 std::string printGeneratedTest(const testing::TestParamInfo<GeneratedTestParam>& info);
 
 #define INSTANTIATE_GENERATED_TEST(TestSuite, filter)                                     \
+    GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(TestSuite);                             \
     INSTANTIATE_TEST_SUITE_P(TestGenerated, TestSuite,                                    \
                              testing::Combine(testing::ValuesIn(getNamedDevices()),       \
                                               testing::ValuesIn(getNamedModels(filter))), \