[automerger skipped] Expand onCallHandover logging and add data enabled check.
am: ba0b55d4 -s ours
am skip reason: change_id I0a4738fec062ac2d023d1cdd60c2e52ee4d8fcc9 with SHA1 636fa631 is in history
Change-Id: I1db64bab641aaecce588c08d5e54f12842b9ffb6