Allow uninstantiated HIDL tests

Be prepared for no HIDL on devices.
This was already declared in DeviceManifestTest.cpp but needed to be
declared here in SingleManifestTest.cpp for
vts_treble_vintf_framework_test.

Test: atest vts_treble_vintf_framework_test
Bug: 218588089
Change-Id: I64ccfee1429efe7a303a8ac37bbad128c553a253
diff --git a/treble/vintf/SingleManifestTest.cpp b/treble/vintf/SingleManifestTest.cpp
index 534dd06..c6e8fbd 100644
--- a/treble/vintf/SingleManifestTest.cpp
+++ b/treble/vintf/SingleManifestTest.cpp
@@ -154,6 +154,9 @@
   return nullptr;
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(SingleHwbinderHalTest);
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(SingleHidlTest);
+
 // Given vendor.foo.bar@x.y::IFoo/default, also look up all declared passthrough
 // HAL implementations on the device that implements this interface.
 sp<IBase> SingleHidlTest::GetPassthroughService(const FqInstance &fq_instance) {