Add janitors to the OWNERS file am: 1a76046f21

Original change: https://android-review.googlesource.com/c/platform/external/scudo/+/3423324

Change-Id: Ie318a433df0e820dba6d41f0ed8d63f501e407a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>