Refactor Broadcast Radio 1.1 VTS test.

Also apply some minor fixes and log tweaks to the default implementation.

Bug: b/36864490
Test: VTS
Change-Id: I16558d71c6cdee71854ecae9106b8a1c78032439
diff --git a/broadcastradio/1.1/default/BroadcastRadio.cpp b/broadcastradio/1.1/default/BroadcastRadio.cpp
index 3aac127..1119ffd 100644
--- a/broadcastradio/1.1/default/BroadcastRadio.cpp
+++ b/broadcastradio/1.1/default/BroadcastRadio.cpp
@@ -121,7 +121,7 @@
 Return<void> BroadcastRadio::openTuner(const BandConfig& config, bool audio __unused,
                                        const sp<V1_0::ITunerCallback>& callback,
                                        openTuner_cb _hidl_cb) {
-    ALOGV("%s", __func__);
+    ALOGV("%s(%s)", __func__, toString(config.type).c_str());
     lock_guard<mutex> lk(mMut);
 
     auto oldTuner = mTuner.promote();