[clang][analyzer] Modify include AllocationState.h in PutenvWithAutoChecker.cpp

Summary:
PutenvWithAutoChecker.cpp used to include "AllocationState.h" that is present in project root.
This makes build systems like blaze unhappy. Made it include the header relative to source file.

Reviewers: kadircet

Subscribers: xazax.hun, baloghadamsoftware, szepet, a.sidorin, mikhail.ramalho, Szelethus, donat.nagy, dkrupp, Charusso, martong, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D74906