Add BluetoothDevice#connect and BluetoothDevice#disconnect as System APIs

Tag: #feature
Bug: 201462141
Test: Manual
Change-Id: I79332c63e99efd9e90036ba2c693835151cc1240
3 files changed
tree: 932f3f8936f1419e8610d927965327aca5cb3c4a
  1. framework/
  2. service/