Add alsutton@ to OWNERS for backup files

Bug: 140479949
Test: build/make/tools/checkowners.py -c -v test/suite_harness/OWNERS
Change-Id: Ifec9736d0dc31d93b5483eacfe42ad1a49b1f70f
1 file changed
tree: 9a4a82e7988f12b2ada0065c2c420c64edcddcf8
  1. build/
  2. common/
  3. tools/
  4. OWNERS
  5. PREUPLOAD.cfg
  6. test_defs.sh