Router tests: Remove or supporess deprecation warnings

router/java/src/net/i2p/data/router/RouterAddress.java

...est/junit/net/i2p/data/i2np/DeliveryInstructionsTest.java

...ava/test/junit/net/i2p/data/router/RouterAddressTest.java

...r/java/test/junit/net/i2p/data/router/RouterInfoTest.java

router/java/test/junit/net/i2p/router/SSUDemo.java

...st/junit/net/i2p/router/crypto/SessionEncryptionTest.java

...est/junit/net/i2p/router/message/BuildTestMessageJob.java

...it/net/i2p/router/networkdb/kademlia/RouterGenerator.java

...a/test/junit/net/i2p/router/transport/udp/UDPFlooder.java

...test/junit/net/i2p/router/tunnel/BatchedFragmentTest.java

...nit/net/i2p/router/tunnel/BuildMessageTestStandalone.java

...ava/test/junit/net/i2p/router/tunnel/GatewayTestBase.java

.../test/junit/net/i2p/router/tunnel/InboundGatewayTest.java

...er/java/test/junit/net/i2p/router/tunnel/InboundTest.java

...r/java/test/junit/net/i2p/router/tunnel/OutboundTest.java