Initialize the xmpp connection config in a background thread.
On android > 3.x network operations on the main thread crash the application.
This move the dns request made by the ConnectionConfiguration in another
thread by lazily initializing the XMPPConnection
package net.java.otr4j;
public interface OtrKeyManagerStore {
public abstract byte[] getPropertyBytes(String id);
public abstract boolean getPropertyBoolean(String id, boolean defaultValue);
public abstract void setProperty(String id, byte[] value);
public abstract void setProperty(String id, boolean value);
public abstract void removeProperty(String id);
}