Apply normalize_json.py

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
OFPPropCommonExperimenter4ByteData: change payload to bytes

Change experimenter data from a list of 32-bit words to bytes.
Discussed on ryu-devel@.

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
test_parser: update expected json representation

Update after experimenter data change.

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Ryu 3.7

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>