Revert^4 "Reapply "AudioFlinger: Control volume using Port ID""

This reverts commit 2e077f0fb2478163c82ca15b18b0fa67fabcb217.

Reason for revert: forward fix will be applied

Change-Id: I82f8e29c788e6b1be59e81f127472f7cd36cd126
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index e598897..bb41d00 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -423,6 +423,7 @@
     AudioPolicyInterface::output_type_t outputType;
     bool isSpatialized = false;
     bool isBitPerfect = false;
+    float volume;
     status_t result = mAudioPolicyManager->getOutputForAttr(&attr, &output, session,
                                                             &stream,
                                                             attributionSource,
@@ -431,7 +432,8 @@
                                                             &secondaryOutputs,
                                                             &outputType,
                                                             &isSpatialized,
-                                                            &isBitPerfect);
+                                                            &isBitPerfect,
+                                                            &volume);
 
     // FIXME: Introduce a way to check for the the telephony device before opening the output
     if (result == NO_ERROR) {
@@ -495,6 +497,7 @@
         _aidl_return->isBitPerfect = isBitPerfect;
         _aidl_return->attr = VALUE_OR_RETURN_BINDER_STATUS(
                 legacy2aidl_audio_attributes_t_AudioAttributes(attr));
+        _aidl_return->volume = volume;
     } else {
         _aidl_return->configBase.format = VALUE_OR_RETURN_BINDER_STATUS(
                 legacy2aidl_audio_format_t_AudioFormatDescription(config.format));