Add API to filter out unnecessary PIDs from frontend output.

Bug: 213287138
Test: atest android.media.tv.tuner.cts on AIDL and HIDL HALs
Change-Id: I1fa68b6d13a18de760f4c423ddec1e74ba2adf45
diff --git a/services/tuner/TunerFrontend.h b/services/tuner/TunerFrontend.h
index 418a751..a96099e 100644
--- a/services/tuner/TunerFrontend.h
+++ b/services/tuner/TunerFrontend.h
@@ -63,6 +63,7 @@
                                    vector<FrontendStatus>* _aidl_return) override;
     ::ndk::ScopedAStatus getFrontendId(int32_t* _aidl_return) override;
     ::ndk::ScopedAStatus getHardwareInfo(std::string* _aidl_return) override;
+    ::ndk::ScopedAStatus removeOutputPid(int32_t in_pid) override;
 
     struct FrontendCallback : public BnFrontendCallback {
         FrontendCallback(const shared_ptr<ITunerFrontendCallback> tunerFrontendCallback)