Implement closing default radio implementation by invalidating all future calls.

Also, use the new hidl_vec range constructor.

Bug: b/36864090
Test: VTS
Change-Id: I92a22ab7f263edd39e42abb65bc25b3d3dc33a1e
diff --git a/broadcastradio/1.1/default/Tuner.h b/broadcastradio/1.1/default/Tuner.h
index 3efbd09..c785586 100644
--- a/broadcastradio/1.1/default/Tuner.h
+++ b/broadcastradio/1.1/default/Tuner.h
@@ -53,7 +53,7 @@
    private:
     std::mutex mMut;
     WorkerThread mThread;
-    bool mIsClosed = false;  // TODO(b/36864090): use it
+    bool mIsClosed = false;
 
     const sp<V1_0::ITunerCallback> mCallback;
     const sp<V1_1::ITunerCallback> mCallback1_1;