nitrous: de-assert dev_wake/pm suspend device when Tx is done * de-assert dev_wake/pm suspend device from nitrous device node PROC_BTWRITE operation * set TX autosleep delay 100 ms and RX autosleep delay 1000 ms * fix clockwork issues Bug: 214732521 Bug: 205950058 Bug: 205943675 Test: Manually Change-Id: I1656008534c3e83de81de7cc054072acb28672e3