Merge "Remove mateuszc@google.com from tests/shared/com/android/launcher3/testing/OWNERS" into main am: 06b1e6da76

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/3041216

Change-Id: I942d5f1bf6f38ea8b2a41e031f5af4087723b214
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>