Reland "Reland "New toolchain for Windows 10 19041 SDK""

https://chromium-review.googlesource.com/c/chromium/src/+/2255527
(cherry picked from commit 8101d956f5)

appveyor.yml

@@ -29,7 +29,7 @@
 
 version: 1.0.{build}
 build_cloud: electron-16-core
-image: vs2019bt-16.4.0
+image: vs2019bt-16.6.2
 environment:
   GIT_CACHE_PATH: C:\Users\electron\libcc_cache
   ELECTRON_OUT_DIR: Default