Update formatting of AudioLevel class

webrtc/voice_engine/BUILD.gn

Index: webrtc/voice_engine/BUILD.gn
diff --git a/webrtc/voice_engine/BUILD.gn b/webrtc/voice_engine/BUILD.gn
index f58e93a7fd331ac9e22d4f9ee4ee4d707cd4efcd..caf683125edf58b737f5c2861b776bbf6155f654 100644
--- a/webrtc/voice_engine/BUILD.gn
+++ b/webrtc/voice_engine/BUILD.gn
@@ -138,9 +138,9 @@ rtc_static_library("voice_engine") {
     "../modules/audio_coding",
   ]
   deps = [
+    ":audio_level",
     ":file_player",
     ":file_recorder",
-    ":level_indicator",
     "..:webrtc_common",
     "../api:audio_mixer_api",
     "../api:call_api",
@@ -165,10 +165,10 @@ rtc_static_library("voice_engine") {
   ]
 }
 
-rtc_static_library("level_indicator") {
+rtc_static_library("audio_level") {
   sources = [
-    "level_indicator.cc",
-    "level_indicator.h",
+    "audio_level.cc",
+    "audio_level.h",
   ]
 
   deps = [