Add deadline timecheck

Author: sarahchen6

src/main/java/com/timgroup/statsd/UnixStreamClientChannel.java

@@ -103,6 +103,9 @@ public int writeAll(ByteBuffer bb, boolean canReturnOnTimeout, long deadline)
             if (read > 0) {
                 remaining -= read;
                 written += read;
+                if (deadline > 0 && System.nanoTime() >= deadline) {
+                    throw new IOException("Write timed out");
+                }
                 continue;
             }