nfc: Make NDEF validation stricter

- Check if the MB is not set for any record apart from the first one.
- If the record is chunked, first record must contain the type

Bug: 20722275
Test: Manual; write raw NDEF messages to a tag
Change-Id: I3e73fc5163bbcd8a1f23417e98f57b665f4f1fad
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>