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

This reverts commit af273c6817b7e6b004034aad4f451eb87273dd62.

Reason for revert: DroidMonitor. Potential culprit for http://b/361843371 - verifying through ABTD session before submission. 

Change-Id: I21918f26c06793cab65b7052c429aa7249dc489f
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 55f74e1..3602e94 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -322,18 +322,6 @@
     return NO_ERROR;
 }
 
-status_t AudioSystem::setPortsVolume(
-        const std::vector<audio_port_handle_t>& portIds, float volume, audio_io_handle_t output) {
-    const sp<IAudioFlinger> af = get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    std::vector<int32_t> portIdsAidl = VALUE_OR_RETURN_STATUS(
-            convertContainer<std::vector<int32_t>>(
-                    portIds, legacy2aidl_audio_port_handle_t_int32_t));
-    int32_t outputAidl = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(output));
-    af->setPortsVolume(portIdsAidl, volume, outputAidl);
-    return NO_ERROR;
-}
-
 status_t AudioSystem::setMode(audio_mode_t mode) {
     if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE;
     const sp<IAudioFlinger> af = get_audio_flinger();
@@ -1093,8 +1081,7 @@
                                        audio_port_handle_t* portId,
                                        std::vector<audio_io_handle_t>* secondaryOutputs,
                                        bool *isSpatialized,
-                                       bool *isBitPerfect,
-                                       float *volume) {
+                                       bool *isBitPerfect) {
     if (attr == nullptr) {
         ALOGE("%s NULL audio attributes", __func__);
         return BAD_VALUE;
@@ -1160,7 +1147,6 @@
     *isBitPerfect = responseAidl.isBitPerfect;
     *attr = VALUE_OR_RETURN_STATUS(
             aidl2legacy_AudioAttributes_audio_attributes_t(responseAidl.attr));
-    *volume = responseAidl.volume;
 
     return OK;
 }