floss: Skip on_hci_timeout

The DumpStopWatchLog call (more specifically the lock guard) generates
many crash records for Floss. Since it's unuseful in Floss, this CL
simply skips it.

Bug: 362366319
Tag: #floss
Test: mmm packages/modules/Bluetooth
Test: bluetooth_AdapterSRHealth.all_floss on RTL8822
Flag: EXEMPT, Floss-only change
Change-Id: I60c8dc9e6593576b5d65337c75194d5fa07871c7