floss: Send ChipsetInfo metrics

The behavior mimics BlueZ's: send on adapter state change and on
ACL (dis)connecting, but we do it on ACL (dis)connected instead
because the (dis)connecting event is not propagated to floss if the
initiator is system.

Bug: 240782197
Tag: #floss
Test: Verify chipset info is logged
BYPASS_LONG_LINES_REASON: Bluetooth likes 120 lines

Change-Id: Ib012068f03677053ddedbe32722cc1108a8f25ce