Revert "Revert "audio policy: refactor getOutput() method""

This reverts commit e198f26cae6f0b5c67340935c291363fdfff87f1.

Change-Id: I65eb2905adb45c3809a499d85c1a8ef68cec7ed5
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 7b19f58..1a32433 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -109,12 +109,7 @@
     //
 
     // request an output appropriate for playback of the supplied stream type and parameters
-    virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
-                                        uint32_t samplingRate,
-                                        audio_format_t format,
-                                        audio_channel_mask_t channelMask,
-                                        audio_output_flags_t flags,
-                                        const audio_offload_info_t *offloadInfo) = 0;
+    virtual audio_io_handle_t getOutput(audio_stream_type_t stream) = 0;
     virtual status_t getOutputForAttr(const audio_attributes_t *attr,
                                         audio_io_handle_t *output,
                                         audio_session_t session,