Support ACTION/THUMBNAIL/SUGGEST corpus for rendering rendering

Hookup notifyEvent for metrics, on device intelligence.


Bug: 178454668
Bug: 178455221

Test: manual (See attached screenshots in the bug)

Change-Id: I652b4f2b0644a4726ccc3e01ce4c945a719f96a8
Signed-off-by: Hyunyoung Song <hyunyoungs@google.com>