JVET-Q0169: AH9/AH12: Bitstream conformance requirements on subpicture ID

Add bitstream conformance requirements on subpicture ID

added 140 commits

• e0e20019...8dd20977 - 139 commits from branch jvet:master
• c936cc58 - updated to the latest version

Compare with previous version

#if !JVET_Q0119_CLEANUPS
...
#if JVET_Q0169_SUBPIC_LEN_CONFORM
      CHECK((1 << pcSPS->getSubPicIdLen()) < pcSPS->getNumSubPics(), "sps_subpic_id_len exceeds valid range");
#endif
...
#else

merged

mentioned in commit eed3572a