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/BroadcastRadioFactory.cpp b/broadcastradio/1.1/default/BroadcastRadioFactory.cpp
index c2c1158..f57bc79 100644
--- a/broadcastradio/1.1/default/BroadcastRadioFactory.cpp
+++ b/broadcastradio/1.1/default/BroadcastRadioFactory.cpp
@@ -48,7 +48,7 @@
 }
 
 Return<void> BroadcastRadioFactory::connectModule(Class classId, connectModule_cb _hidl_cb) {
-    ALOGV("%s", __func__);
+    ALOGV("%s(%s)", __func__, toString(classId).c_str());
 
     auto moduleIt = mRadioModules.find(classId);
     if (moduleIt == mRadioModules.end()) {