Should remove some died subscription

[auxor]

There is an media render which is controlled by a music app in mobile phone. If the music app is killed, the subscription will be still in media render until expired.

3 04-18 19:46:33.729 2395 4312 W StreamClient: HTTP connection failed: (OutgoingEventRequestMessage) NOTIFY http://10.1.212.166:8058/evet Sub
4 04-18 19:46:33.729 2395 4312 W StreamClient: android.system.ErrnoException: isConnected failed: ECONNREFUSED (Connection refused)
5 04-18 19:46:33.729 2395 4312 W StreamClient: at libcore.io.IoBridge.isConnected(IoBridge.java:240)
6 04-18 19:46:33.729 2395 4312 W StreamClient: at libcore.io.IoBridge.connectErrno(IoBridge.java:187)
7 04-18 19:46:33.729 2395 4312 W StreamClient: at libcore.io.IoBridge.connect(IoBridge.java:127)
8 04-18 19:46:33.729 2395 4312 W StreamClient: at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:188)
9 04-18 19:46:33.729 2395 4312 W StreamClient: at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:461)
10 04-18 19:46:33.729 2395 4312 W StreamClient: at java.net.Socket.connect(Socket.java:911)
11 04-18 19:46:33.729 2395 4312 W StreamClient: at java.nio.SocketChannelImpl$SocketAdapter.connect(SocketChannelImpl.java:531)
12 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.l.a(SelectConnector.java:79)
13 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.g(HttpDestination.java:292)
14 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.a(HttpDestination.java:328)
15 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.l.a(SelectConnector.java:103)
16 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.g(HttpDestination.java:292)
17 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.a(HttpDestination.java:328)
18 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.l.a(SelectConnector.java:103)
19 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.g(HttpDestination.java:292)
20 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.a(HttpDestination.java:328)
21 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.l.a(SelectConnector.java:103)
22 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.g(HttpDestination.java:292)
23 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.a(HttpDestination.java:328)
24 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.l.a(SelectConnector.java:103)
25 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.g(HttpDestination.java:292)
26 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.a(HttpDestination.java:328)
27 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.l.a(SelectConnector.java:103)
28 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.g(HttpDestination.java:292)
29 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.c(HttpDestination.java:597)
30 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.h.a(HttpDestination.java:532)
31 04-18 19:46:33.729 2395 4312 W StreamClient: at org.a.a.a.g.a(HttpClient.java:180)