Suppress gtest error for tests without any instance

Bug: 162052785
Test: m -j vts
Change-Id: I8c1a48e6fbd7c8161137902b5332911fa0d7b8b3
diff --git a/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp b/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
index c08e5ca..049ec73 100644
--- a/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
+++ b/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
@@ -63,6 +63,7 @@
   EXPECT_TRUE(vr->setVrMode(false).isOk());
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VrHidlTest);
 INSTANTIATE_TEST_SUITE_P(
         PerInstance, VrHidlTest,
         testing::ValuesIn(android::hardware::getAllHalInstanceNames(IVr::descriptor)),