Merge "Add ACTIVITY_SECURITY_OWNERS." into main am: 7d00da34 am: 5e8283b6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3317300



Change-Id: I462a65b34b5c331bc379a7888f34e7365f457b16
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Test: only changing OWNERS
Flag: EXEMPT only changing OWNERS