[Modules] Consider -fmodule-feature in module hash and when loading

Any extra features from -fmodule-feature are part of the module hash and
need to get validated on load.  Also print them with -module-file-info.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@240433 91177308-0d34-0410-b5e6-96231b3b80d8