[native] Use core protocol header in FunctionMetadata

The new header file "presto_protocol_core.h", has been created to hold
non-connector specific code. FunctionMetadata.cpp was not updated to
use this header. We are fixing the same as part of this commit

Author: abhiseksaikia

presto-native-execution/presto_cpp/main/types/FunctionMetadata.cpp

@@ -12,7 +12,7 @@
  * limitations under the License.
  */
 #include "presto_cpp/main/types/FunctionMetadata.h"
-#include "presto_cpp/presto_protocol/presto_protocol.h"
+#include "presto_cpp/presto_protocol/core/presto_protocol_core.h"
 #include "velox/exec/Aggregate.h"
 #include "velox/exec/AggregateFunctionRegistry.h"
 #include "velox/exec/WindowFunction.h"