GitLab

Implements the key verification module that to verify remote device
before requesting introduction and beginning the transfer flow.

Bug: 1085068
Change-Id: I4bb75dce474042ef43ca86199db3456d63406874
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346325
Commit-Queue: Himanshu Jaju <himanshujaju@chromium.org>
Reviewed-by: Alex Chau <alexchau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797868}