[NAN] Print latency statistics for message transmission

(cherry-pick of commit 2494f8b62e4e1969206133df376d9c8229b43c64)

Bug: 31940045
Test: integration tests pass
Change-Id: I436a9ba9977c515e16d608dd7c8e71dd7470e976
3 files changed
tree: c510a4f9fe50b99f9331c81e17b125fa60a45d31
  1. acts/
  2. Android.mk