btif: hh: enhance the dis(connect) call error returns

Perform more checks on Hid Host and the device status before handling the connect/disconnect request to provide a more meaningful return value to the caller.

BUG: 240781725
Tag: #floss
Test: gd/cert/run
Change-Id: I1008239d96a01d8eb86fe29aae1e24c71ad942df