Filter out the logs from inotify_buffer in edit monitor

The inotify_buffer logs every filesystem event received (in Debug level) which
pollutes the edit monitor log. This cl filters out the logs from
inotify_buffer.py to keep the log clean.

Test: make edit_monitor and test it locally
Bug: 365617369
Change-Id: Ib7951c2fd7d8cabf3f56a2cd0364c26f682ca977