Reorder ART's `OWNERS` file.

Automatically filed bugs for broken tests now only pick the first
ten e-mail addresses from an `OWNERS` file when CC-ing test
owners on newly filed bugs. Move Core Libraries members at the
end of ART's `OWNERS` file, as bugs filed for ART test should be
looked at by ART members first.

Test: Rely on TreeHugger/AyeAye
Test: build/make/tools/checkowners.py -c art/OWNERS
Change-Id: I90ab0ec8c102b93b9bbc69e75d8964c40fc43797
1 file changed