[MQ HAL] Add a method for supported vendor parameters

This is a reposne to an SDK API feedback at b/382041722:
"Should there be an API to query all available parameter names"

Test: mmm
Flag: android.media.tv.flags.media_quality_fw
Bug: 382041722
Change-Id: Ia3cd3ffe38289bcb3d2e2f05bde2de1a897c6d21
diff --git a/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp b/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp
index 09deee6..84f798b 100644
--- a/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp
+++ b/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp
@@ -52,6 +52,7 @@
 using aidl::android::hardware::tv::mediaquality::SoundParameters;
 using aidl::android::hardware::tv::mediaquality::SoundProfile;
 using aidl::android::hardware::tv::mediaquality::VendorParamCapability;
+using aidl::android::hardware::tv::mediaquality::VendorParameterIdentifier;
 using android::ProcessState;
 using android::String16;
 using ndk::ScopedAStatus;