- This CL before, "Previously connected device" didn't
handle dock device. If user have disconnected dock
device will cause Settings crash.
This CL add condition to handle dock device to avoid crash.
- Update test case.
Bug: 167054620
Test: make -j42 RunSettingsRoboTests
Change-Id: I769cee3f589e14a993b00a0ae6ec3ddfba8ef281