Rename ValueState.h -> GRState.h

Rename ValueState.cpp -> GRState.cpp

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54722 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Analysis/PathSensitive/ValueState.h b/include/clang/Analysis/PathSensitive/GRState.h
similarity index 100%
rename from include/clang/Analysis/PathSensitive/ValueState.h
rename to include/clang/Analysis/PathSensitive/GRState.h

diff --git a/lib/Analysis/ValueState.cpp b/lib/Analysis/GRState.cpp
similarity index 100%
rename from lib/Analysis/ValueState.cpp
rename to lib/Analysis/GRState.cpp