[asan] Added -fsanitize-address-use-after-scope flag

Summary:
Also emit lifetime markers for -fsanitize-address-use-after-scope.
Asan uses life-time markers for use-after-scope check.

PR27453

Reviewers: kcc, eugenis, aizatsky

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20759

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@271451 91177308-0d34-0410-b5e6-96231b3b80d8