Simplify getting/setting class of device

Remove helpers, move directly to binder.

Bug: 145171640
Test: compile && verify works
Change-Id: I3ed5c958171dac2469bb5b03d4e245a4595a788c
1 file changed
tree: 8c8a727eed379a2414cb73a0f3675da6591a0f05
  1. android/