Add rkir@ to OWNERS am: f7937b0e23 am: 32e79aa616 am: 7141e6bcc8

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/qemu-kernel/+/10475023

Change-Id: I74253e2544dbec72d67a69171292603700efce47