Revert "Bump PackageVersion_MsBuild from 16.9.0 to 16.11.0"
Revert "Bump PackageVersion_MsBuild from 16.9.0 to 16.11.0"

This reverts commit 9a725149872fb84a1da474b09f15fd391885ab8b.

gep13/GitVersion,GitTools/GitVersion,asbjornu/GitVersion,asbjornu/GitVersion,GitTools/GitVersion,gep13/GitVersion