Merge "Add OWNERS file for libgui_test module" into main am: ae7807505a

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

Change-Id: I898eb6530e4eed5f27f7399b38ddaa56cc83e13d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>