Add janitors to the OWNERS file am: b70a3696eb

Original change: https://android-review.googlesource.com/c/platform/external/bazelbuild-rules_go/+/3423375

Change-Id: I10227cb4538c9aab22d2dae0c5cc3449678c836a
Signed-off-by: Automerger Merge Worker <[email protected]>