When profiling Environment, also profile with AnalysisContext*, bacause

When profiling Environment, also profile with AnalysisContext*, bacause
we now may have identical states with different analysis context.

Set the right AnalysisContext in state when entering and leaving a callee.

With both of the above changes, we can pass the test case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97724 91177308-0d34-0410-b5e6-96231b3b80d8