[PM] Add a definition for the static PassID in the CallGraphAnalysis.
Missed this when adding the skeleton analysis. Caught by a build break
in the next patch I'm working on when trying to use the analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198556 91177308-0d34-0410-b5e6-96231b3b80d8