Silence warning for removed exception

Libcore change fec24735 deliberately introduced changes to method
signature of DatagramPacket constructors and removed the unused
SocketException.

Update API list to silence the doclava warning about method signature
change.

Test: build
Bug: 35589690
Change-Id: I9cc12bd6d51d0b818e3fcf5a05d7e1f86451ffe1
2 files changed