android.hardware.camera.provider@2.4: set up /dev/vndbinder

The camera-HAL implementation may need to communicate with other vendor
components over /dev/vndbinder.  Route all libbinder traffic to that
node.

b/36651814
b/36651237
b/35870313
b/36683636

Test: sailfish

Change-Id: I9b80fefbcdf5ce18a2d788e8582ea8791a604435
Signed-off-by: Iliyan Malchev <malchev@google.com>
2 files changed