Giving new STS lead code owners for test management purposes. am: b85a67689a am: da51294166 am: fcf28e1efe

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/15694082

Change-Id: I9bb8e1d912f40f8524c6ca5478ff619cb29bb3c9