[bluedroid] Fix slave latency and conn timeout defaults in BLE

The default connection parameters were not being applied properly in BLE.
Also fixed a typo in btm_ble.c.

Change-Id: I6cfb0f2a400740578910dcf4c7192ea16406aa1b
Signed-off-by:  Steve Paik <spaik@google.com>
3 files changed