[Android] Handle disposed VideoTrack in WebRTCView

package-lock.json

       }
     },
     "react-native-webrtc": {
-      "version": "github:jitsi/react-native-webrtc#30a044364ead977ccad0d9da7a806e5e63d92c8d",
+      "version": "github:jitsi/react-native-webrtc#51e9cb2abe5b8ab318e7635c1b1d92dbba077a18",
       "requires": {
         "base64-js": "1.2.1",
         "event-target-shim": "1.1.1"

package.json

     "react-native-locale-detector": "1.0.1",
     "react-native-prompt": "1.0.0",
     "react-native-vector-icons": "4.4.2",
-    "react-native-webrtc": "github:jitsi/react-native-webrtc#30a044364ead977ccad0d9da7a806e5e63d92c8d",
+    "react-native-webrtc": "github:jitsi/react-native-webrtc#51e9cb2abe5b8ab318e7635c1b1d92dbba077a18",
     "react-redux": "5.0.6",
     "redux": "3.7.2",
     "redux-thunk": "2.2.0",