According to specification, AdjustDCPBoundary is
a sub block for adjusting the DCP boundary.
Change-Id: I2515e2b3592ff0e5e67487b1785db41015964b21
Reviewed-on: https://code.wireshark.org/review/24673
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>