JVET-R0202: Add PH in SH constraints
JVET-R0202:
- When sh_picture_header_in_slice_header_flag is equal to 1, require rpl_info_in_ph_flag, dbf_info_in_ph_flag, sao_info_in_ph_flag, wp_info_in_ph_flag, qp_delta_info_in_ph_flag to be equal to 0
- When sh_picture_header_in_slice_header_flag equal to 1 sps_subpic_info_present_flag and separate_colour_plane_flag shall be equal to 0