pass readyState to buffer analytics api

ui/analytics.js

@@ -47,6 +47,7 @@ type Analytics = {
       duration: number,
       userIdHash: string,
       playerPoweredBy: string,
+      readyState: number,
     }
   ) => void,
   emailProvidedEvent: () => void,
@@ -222,6 +223,7 @@ const analytics: Analytics = {
             position: data.timeAtBuffer,
             duration: data.bufferDuration,
             player: data.playerPoweredBy,
+            readyState: data.readyState,
             stream_duration: data.duration,
             stream_bitrate: data.bitRate,
           },

ui/redux/actions/app.js

@@ -511,6 +511,7 @@ export function doAnalyticsBuffer(uri, bufferData) {
       userIdHash,
       duration: fileDurationInSeconds,
       playerPoweredBy: bufferData.playerPoweredBy,
+      readyState: bufferData.readyState,
     });
   };
 }