Merge "Add OWNERS file for libgui_test module" into main am: ae7807505a am: b4c8a16013 am: 242527198d am: f9f4c9b61c am: edf1e1e6fd

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2650988

Change-Id: I20812a509dd5b13b7241bb5e2f6964e4bc5cd2b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>