Fix tuner service close HAL twice issue

Bug: 322928583
Test: atest android.media.tv.tuner.cts.TunerTest on cf_x86_tv
Change-Id: I92caa9ca5f93c15131b9a97d0c29194c69fd71a6
diff --git a/services/tuner/TunerFrontend.cpp b/services/tuner/TunerFrontend.cpp
index 1e93d95..081596a 100644
--- a/services/tuner/TunerFrontend.cpp
+++ b/services/tuner/TunerFrontend.cpp
@@ -37,7 +37,9 @@
 }
 
 TunerFrontend::~TunerFrontend() {
-    close();
+    if (!isClosed) {
+        close();
+    }
     mFrontend = nullptr;
     mId = -1;
 }
@@ -89,6 +91,7 @@
 }
 
 ::ndk::ScopedAStatus TunerFrontend::close() {
+    isClosed = true;
     return mFrontend->close();
 }