Suppress gtest error for tests without any instance

Bug: 162052785
Test: m -j vts
Change-Id: I8c1a48e6fbd7c8161137902b5332911fa0d7b8b3
diff --git a/soundtrigger/2.2/vts/functional/VtsHalSoundtriggerV2_2TargetTest.cpp b/soundtrigger/2.2/vts/functional/VtsHalSoundtriggerV2_2TargetTest.cpp
index 1cce5a1..1352ca5 100644
--- a/soundtrigger/2.2/vts/functional/VtsHalSoundtriggerV2_2TargetTest.cpp
+++ b/soundtrigger/2.2/vts/functional/VtsHalSoundtriggerV2_2TargetTest.cpp
@@ -67,6 +67,7 @@
     EXPECT_TRUE(hidlReturn.isOk());
     EXPECT_EQ(-ENOSYS, hidlReturn);
 }
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(SoundTriggerHidlTest);
 INSTANTIATE_TEST_SUITE_P(
         PerInstance, SoundTriggerHidlTest,
         testing::ValuesIn(android::hardware::getAllHalInstanceNames(ISoundTriggerHw::descriptor)),