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/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index d7d5e40..2024f04 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -1489,7 +1489,8 @@
                                               std::vector<audio_io_handle_t> *secondaryOutputs,
                                               output_type_t *outputType,
                                               bool *isSpatialized,
-                                              bool *isBitPerfect)
+                                              bool *isBitPerfect,
+                                              float *volume)
 {
     // The supplied portId must be AUDIO_PORT_HANDLE_NONE
     if (*portId != AUDIO_PORT_HANDLE_NONE) {
@@ -1545,6 +1546,8 @@
                                   outputDesc->mPolicyMix);
     outputDesc->addClient(clientDesc);
 
+    *volume = Volume::DbToAmpl(outputDesc->getCurVolume(toVolumeSource(resultAttr)));
+
     ALOGV("%s() returns output %d requestedPortId %d selectedDeviceId %d for port ID %d", __func__,
           *output, requestedPortId, *selectedDeviceId, *portId);