aaudio: cleanup logs and comments

This CL should not change any code behavior except for log text.
Mostly it removes redundant class names from the log.

Test: CTS nativemedia/aaudio
Change-Id: I6a6d01da080f536d5345f2b0deb32e92ed1e3d47
diff --git a/services/oboeservice/AAudioServiceEndpointPlay.cpp b/services/oboeservice/AAudioServiceEndpointPlay.cpp
index 472a336..c2feb6b 100644
--- a/services/oboeservice/AAudioServiceEndpointPlay.cpp
+++ b/services/oboeservice/AAudioServiceEndpointPlay.cpp
@@ -135,7 +135,7 @@
             AAudioServiceEndpointShared::disconnectRegisteredStreams();
             break;
         } else if (result != getFramesPerBurst()) {
-            ALOGW("AAudioServiceEndpoint(): callbackLoop() wrote %d / %d",
+            ALOGW("callbackLoop() wrote %d / %d",
                   result, getFramesPerBurst());
             break;
         }