Fix ShimDevice::allocate, wrong operand used for output role.

Bug: 210970637
Test: cts
Change-Id: I76d5b89e2d95d4e775ca544c54ec5100e404ba47
Merged-In: I76d5b89e2d95d4e775ca544c54ec5100e404ba47
(cherry picked from commit b5c6b2dca691228341b20e2ac39c1c7e975d954e)
1 file changed