CHROMIUMOS: mesh: Add debug dialog token IE to MPM action frames

This commit adds a vendor IE (OUI f4:f5:e8, feature id 2) which will
append an unique, monotonically increasing "Dialog Token" in the Mesh
peer peer link management action frames. The receiver of such action
frames prints the frame id to assist debugging protocol transaction.

BUG=b:27135961
TEST=Manually run on Whirlwind two node setup. Also verified action
frame content with sniffer.

Change-Id: I5893e158bbcb9a363764d0f111e164aa9cad1b69
Reviewed-on: https://chromium-review.googlesource.com/339085
Commit-Ready: Zhihong Yu <zhihongyu@chromium.org>
Tested-by: Zhihong Yu <zhihongyu@chromium.org>
Reviewed-by: Srinivasa duvvuri <sduvvuri@chromium.org>
Reviewed-by: John Walker <walker@google.com>
6 files changed