floss: hcidoc: consider NOCP packets with multiple packet count

NOCP packets have the field |count| that is used if the packet is used
to report acknowledgement for multiple ACL packets. We need to process
this value in order to avoid wrong NOCP issues.

Bug: 311245795
Test: m -j
Test: verify logs in b/311245795 isn't categorized as NOCP issue
Flag: EXEMPT floss only changes
Change-Id: Id45987b1fae10ed756538e6ab9a0331e13009001