Dynamically set MTU based on proposed algorithms

This change adds the relevant utilities and plumbing to ensure that MTUs
are set dynamically based on the underlying network's MTU.

Bug: 184697651
Test: atest FrameworksVcnTests
Change-Id: I77e34a92eb4e81e83d20fe6019b38ea5f1af4765
5 files changed
tree: 479beb24eaafa4b5b8b306c8ab5ac0e83b62c71a
  1. Vcn/