fix: mobile RtcStats key error

Author: LichKing-2234

android/src/main/java/io/agora/rtc/base/Extensions.kt

@@ -22,7 +22,7 @@ fun LocalAudioStats.toMap(): Map<String, Any?> {
 
 fun RtcStats.toMap(): Map<String, Any?> {
   return hashMapOf(
-    "totalDuration" to totalDuration,
+    "duration" to totalDuration,
     "txBytes" to txBytes,
     "rxBytes" to rxBytes,
     "txAudioBytes" to txAudioBytes,
@@ -35,7 +35,7 @@ fun RtcStats.toMap(): Map<String, Any?> {
     "rxAudioKBitRate" to rxAudioKBitRate,
     "txVideoKBitRate" to txVideoKBitRate,
     "rxVideoKBitRate" to rxVideoKBitRate,
-    "users" to users,
+    "userCount" to users,
     "lastmileDelay" to lastmileDelay,
     "txPacketLossRate" to txPacketLossRate,
     "rxPacketLossRate" to rxPacketLossRate,

ios/Classes/Base/Extensions.swift

@@ -32,7 +32,7 @@ extension AgoraRtcLocalAudioStats {
 extension AgoraChannelStats {
     func toMap() -> [String: Any?] {
         return [
-            "totalDuration": duration,
+            "duration": duration,
             "txBytes": txBytes,
             "rxBytes": rxBytes,
             "txAudioBytes": txAudioBytes,
@@ -45,7 +45,7 @@ extension AgoraChannelStats {
             "rxAudioKBitRate": rxAudioKBitrate,
             "txVideoKBitRate": txVideoKBitrate,
             "rxVideoKBitRate": rxVideoKBitrate,
-            "users": userCount,
+            "userCount": userCount,
             "lastmileDelay": lastmileDelay,
             "txPacketLossRate": txPacketLossRate,
             "rxPacketLossRate": rxPacketLossRate,