- The direct change to stdint.h types causes too much downstream
churn. Need an intermediate step or a wrapper because quite a
bit of user code explicitly casts args passed to mkvmuxerutil
functions to types defined in mkvmuxertypes.
- Update call sites in mkvmuxer to avoid ambiguity errors.
Change-Id: I018445b3d8ab1da776ecdb19a290ac00af63c2cf
ec479287ff