[Sanitizer] Fix StopTheWorld includes on Android. Patch by Sergey Matveev.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178625 91177308-0d34-0410-b5e6-96231b3b80d8
[Sanitizer] Kill the remainders of platform defines in favor of SANITIZER_ defines

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178627 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan] Kill the remainders of platform defines in favor of SANITIZER_ defines

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178629 91177308-0d34-0410-b5e6-96231b3b80d8