Refactor setCurrentFunction and setUsbDataUnlocked into one method.

Test: Refactor. Existing tests pass.
Change-Id: Id43f677e80efdbbb6653d3a755d0b2a7320f658a
(cherry picked from commit 2e2a4357179d20c92e076f39df925d0b6dbb532c)
1 file changed
tree: a8fcbe4d3bfd0bf00e6288a6f8189780feb194ca
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