Parse result for `Any` type

[weiguoz]

jsqlflow/src/main/java/org/sqlflow/client/MessageHandler.java

Lines 34 to 39 in 549f020

	/**
	* Results
	*
	* <p>TODO(weiguo): shouldn't expose `Any`
	*/
	void handleRows(List<com.google.protobuf.Any> rows);