network: fix wifi autoconnect issue

If connection's autconnect option is diabled, never
try to connect the connection automaticaly when turn
on device switches.

tower: https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/247f1c0427354b9fa988438a57f73e7f/
Change-Id: Ida5981f38a616192e32f8224859721c130857026
bluetooth: fix device blocked issue

For some laptops such as ideapad, the wireless
devices will be blocked at startup or when device
plugin, so we add some code to ensure them could
works fine.

tower: https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/b36ee8058e7d4756816f70a0dd8290f8/
Change-Id: I65f60d92885daa7d527a856af512b54cdd47006b