[Sema] Fix PR38987: keep end location of a direct initializer list

[Sema] Fix PR38987: keep end location of a direct initializer list

If PerformConstructorInitialization of a direct initializer list constructor is
called while instantiating a template, it has brace locations in its BraceLoc
arguments but not in the Kind argument.

This reverts the hunk https://reviews.llvm.org/D41921#inline-468844.

Patch by Orivej Desh!

Differential Revision: https://reviews.llvm.org/D53231

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@347261 91177308-0d34-0410-b5e6-96231b3b80d8