Revert "AudioFlinger: Control volume using Port ID"

This reverts commit 55b2a0fdcf59ad7ef9d5c39feafdcfdf49adc72d.

Reason for revert: b/356164780

Change-Id: I8ffa2a3ef93f66379418344ee680b8c624843366
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index a67ba78..98853ce 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -128,8 +128,7 @@
                                   std::vector<audio_io_handle_t> *secondaryOutputs,
                                   output_type_t *outputType,
                                   bool *isSpatialized,
-                                  bool *isBitPerfect,
-                                  float *volume) override;
+                                  bool *isBitPerfect) override;
         virtual status_t startOutput(audio_port_handle_t portId);
         virtual status_t stopOutput(audio_port_handle_t portId);
         virtual bool releaseOutput(audio_port_handle_t portId);