Convert all comments into "doxygen-ready" comments.

Bug: 36453077
Test: mma
Change-Id: I0b1f77dfae5d2258969e33d85ecf45401ffbdfaa
diff --git a/broadcastradio/1.0/IBroadcastRadioFactory.hal b/broadcastradio/1.0/IBroadcastRadioFactory.hal
index 82a97c4..ae82b07 100644
--- a/broadcastradio/1.0/IBroadcastRadioFactory.hal
+++ b/broadcastradio/1.0/IBroadcastRadioFactory.hal
@@ -20,7 +20,7 @@
 
 interface IBroadcastRadioFactory {
 
-    /*
+    /**
      * Connects to a broadcast radio HAL module for a given class
      * (AM/FM, Satellite, DAB).
      *