assistant: update debug logging

Bug: None
Change-Id: I310776c953be841c1aa48f25e48704f21ed74ae1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2363657Reviewed-by: Tao Wu <wutao@chromium.org>
Reviewed-by: Jeroen Dhollander <jeroendh@chromium.org>
Commit-Queue: Xiaohui Chen <xiaohuic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799667}

chromeos/services/assistant/assistant_interaction_logger.cc

@@ -21,7 +21,7 @@ std::string ResolutionToString(AssistantInteractionResolution resolution) {
   LOG_INTERACTION_AT_LEVEL(AssistantInteractionLogger::kVLogLevel)
 
 #define LOG_INTERACTION_AT_LEVEL(_level) \
-  VLOG(_level) << "Assistant: " << __FUNCTION__ << ": "
+  VLOG(_level) << "Assistant: " << __func__ << ": "
 
 }  // namespace
 

chromeos/services/assistant/assistant_manager_service_impl.cc

@@ -466,7 +466,7 @@ void AssistantManagerServiceImpl::UpdateInternalMediaPlayerStatus(
 
 void AssistantManagerServiceImpl::StartVoiceInteraction() {
   DCHECK(assistant_manager_);
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
 
   platform_api_->SetMicState(true);
   assistant_manager_->StartAssistantInteraction();
@@ -474,7 +474,7 @@ void AssistantManagerServiceImpl::StartVoiceInteraction() {
 
 void AssistantManagerServiceImpl::StopActiveInteraction(
     bool cancel_conversation) {
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
   platform_api_->SetMicState(false);
 
   if (!assistant_manager_internal_) {
@@ -522,7 +522,7 @@ void AssistantManagerServiceImpl::StartTextInteraction(
     const std::string& query,
     AssistantQuerySource source,
     bool allow_tts) {
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
   assistant_client::VoicelessOptions options;
   options.is_user_initiated = true;
   options.enable_on_device_assistant_for_voiceless =