Merge pull request dotnet/coreclr#23521 from k15tfu/fix-issue-20784
authorJan Vorlicek <janvorli@microsoft.com>
Tue, 2 Apr 2019 22:08:58 +0000 (00:08 +0200)
committerGitHub <noreply@github.com>
Tue, 2 Apr 2019 22:08:58 +0000 (00:08 +0200)
Move C/C++ and platform headers to pal/inc/rt/cpp folder

Commit migrated from https://github.com/dotnet/coreclr/commit/8053b7db57a6b95fa61f7c22f8bfcd277ef136bd


Trivial merge