ALLJOYN-1886 Add FindAdvertisedNameByTransport and CancelFindAdvertisedNameByTransport to java bindings.

Change-Id: Id70258dca0f0a7e3d3daee4ca76621d7b4f57918
ALLJOYN-1895 Expose a mechanism that allows an application to provide a credential used for thin-client authentication to its bundled daemon in Java bindings.

Change-Id: I8071a576e56e685d95cca01499c2646cbc00d761