Always execute the user switch HAL operation.

Currently, the user id is cached at the time the operation is
scheduled and the operation is skipped if the target id matches.
This is error prone because the user may have switched due to
another operation before execution.

Fix: 188742113
Test: manual
Change-Id: I01cd423343a49a0fb2f447f7a0f4a25cc2e8200f