Add zyy@ to OWNERS. am: eeef84babf am: 3861cb8697

Original change: https://android-review.googlesource.com/c/platform/system/libziparchive/+/3507270

Change-Id: I7cfa3e8eca0ecc09fadf95602c44063ce7e8f1b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>