aaudio: improved dumpsys

Add more information about various streams and endpoints.

Bug: 38396780
Test: adb shell dumpsys media.aaudio
Change-Id: I5cc116574bfc3aa93703c182d933dbdfcbefad7a
diff --git a/services/oboeservice/AAudioEndpointManager.h b/services/oboeservice/AAudioEndpointManager.h
index 6d3b52b..2511b2f 100644
--- a/services/oboeservice/AAudioEndpointManager.h
+++ b/services/oboeservice/AAudioEndpointManager.h
@@ -34,14 +34,14 @@
     ~AAudioEndpointManager() = default;
 
     /**
-     * Returns EndpointManager information.
+     * Returns information about the state of the this class.
      *
      * Will attempt to get the object lock, but will proceed
      * even if it cannot.
      *
      * Each line of information ends with a newline.
      *
-     * @return a string representing the EndpointManager info
+     * @return a string with useful information
      */
     std::string dump() const;