更新并构建webrtc windows vs2019

官方编译指南

• webrtc build 官方

我之前编译过，现在更新后再编译

更新

• 参考
• 目录执行在 /webrtc-checkout/src

zhangbin@DESKTOP-152DH8F MINGW64 /j/WEBRWTCSTORE/webrtc-checkout/src (zhangbin-branch-com)
$ git rebase-update
Fetching origin
remote: Counting objects: 1544, done
remote: Finding sources: 100% (3193/3193)
remote: Total 3193 (delta 1735), reused 3191 (delta 1735)
Receiving objects: 100% (3193/3193), 4.28 MiB | 587.00 KiB/s, done.
Resolving deltas: 100% (1735/1735), completed with 505 local objects.
From https://webrtc.googlesource.com/src
   ae10029bff..c8ff1600d3  master       -> origin/master
   fe35045f3d..691dcc2d23  infra/config -> origin/infra/config
   768c5f438c..c8ff1600d3  lkgr