Add janitors to the OWNERS file am: 9aa6616e29

Original change: https://android-review.googlesource.com/c/platform/external/python/cachetools/+/3423852

Change-Id: I85adb843ecd934eced5b9a5fdc7f3231be0ce467
Signed-off-by: Automerger Merge Worker <[email protected]>