Make the default tuner HAL to be a dynamic AIDL

Add lazy tuner service.
Refine code to allow Tuner reference count to be 0 when no one uses it.

Bug: 236002754
Test: atest VtsHalTvTunerTargetTest on both lazy and normal HALs
Test: atest android.media.tv.tuner.cts on both lazy and normal HALs
Change-Id: I0cc69fe8ffd79a66db00cb72d212c222130629b5
diff --git a/tv/tuner/aidl/default/Frontend.h b/tv/tuner/aidl/default/Frontend.h
index 1d9ab53..85bd636 100644
--- a/tv/tuner/aidl/default/Frontend.h
+++ b/tv/tuner/aidl/default/Frontend.h
@@ -34,7 +34,7 @@
 
 class Frontend : public BnFrontend {
   public:
-    Frontend(FrontendType type, int32_t id, std::shared_ptr<Tuner> tuner);
+    Frontend(FrontendType type, int32_t id);
 
     ::ndk::ScopedAStatus setCallback(
             const std::shared_ptr<IFrontendCallback>& in_callback) override;
@@ -62,6 +62,7 @@
     string getSourceFile();
     bool isLocked();
     void getFrontendInfo(FrontendInfo* _aidl_return);
+    void setTunerService(std::shared_ptr<Tuner> tuner);
 
   private:
     virtual ~Frontend();