Remove singleline for the nearby devices textview

We do not need the singleline restriction for the
nearby devices textview so that user is able to view
the whole name of the device if the device's name is
supper long or the display size set to the largest
which are very rare.

Largest display: https://screenshot.googleplex.com/8HSp6G5jRmaWsCu
Normal display: https://screenshot.googleplex.com/8DqtdJHkF5Xr7Xt

Test: CTS
Fix: 244496214

Change-Id: Ie2a4bff1fb70456bc166c6f0847a57be2e40f0eb