[ThinLTO] BitcodeWriter still requires Analysis library

This should fix bot failure:
http://bb.pgr.jp/builders/i686-mingw32-RA-on-linux/builds/9873

The bitcode writer unfortunately still needs the Analysis library, as it
replaces old dependence on BFI etc with dependence on new
ModuleSummaryAnalysis pass.

llvm-svn: 265945