Logo view uses new API

This cl calls new API in sound level input value provider.

Bug: b/115800133
Test: manual
Change-Id: I375b3421c6f3d34d5f0d512a99a335420d9586af
Reviewed-on: https://chromium-review.googlesource.com/1250086Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Commit-Queue: Tao Wu <wutao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594882}

ash/assistant/ui/logo_view/logo_view.cc

@@ -72,7 +72,7 @@ void LogoView::SetState(BaseLogoView::State state, bool animate) {
 }
 
 void LogoView::SetSpeechLevel(float speech_level) {
-  sound_level_input_value_provider_.set_speech_level(speech_level);
+  sound_level_input_value_provider_.SetSpeechLevel(speech_level);
 }
 
 int64_t LogoView::StartTimer() {