CDM: increase char limit for nearby_device_streaming

* Increase char limit of the "Nearby Device Streaming" from 30 to 45 to
  fit translated versions, as requested by the localization team

Bug: 261147998
Test: manual

Change-Id: I9165b156f7b1182c6f89b72410b04618c22f107f
Signed-off-by: Claudiu Ghioc <claudiughioc@google.com>