Fixes NPE on chat contact status update.
Fixes NPE on chat contact status update.

tsunli/jitsi-android,procandi/jitsi-android,procandi/jitsi-android,459below/jitsi-android,sdjtu502/jitsi-android,jitsi/jitsi-android,sdjtu502/jitsi-android,jitsi/jitsi-android,tsunli/jitsi-android,uniqueid001/jitsi-android,uniqueid001/jitsi-android,draekko/jitsi-android,draekko/jitsi-android,459below/jitsi-android