sel-cache: Add match for new sel entry

Add match to get callback on new logging entry.

Tested: Verify the sel cache is updated with a new logging entry is
        created.

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I4674f4b5e0336719f101b02920ea2be2077aa5e9
1 file changed