devel/breakpad: Add port to the tree
Breakpad is a set of client and server components which implement
a crash-reporting system.
This is YET ANOTHER STEP to build Electron.io for FreeBSD.

PR: 221320
Reported by: Luca Pizzamiglio <luca.pizzamiglio@gmail.com>
Reviewed by: cpm, lifanov, mat (mentor), mmokhi, ultima
Approved by: cpm, lifanov, mat (mentor), mmokhi, ultima
Differential Revision: https://reviews.freebsd.org/D11773