Fix style errors in inputMethodClientHasFocus()

This is a follow up CL to a recent CL [1] that unintentionally
introduced coding style errors.

There should be no behavior change in this CL.

 [1]: I8da315936caebdc8b2c16cff4e24192c06743251
      90120a8b

Bug: 111364446
Test: compile
Change-Id: I5e83d68cb329cb9c840c11ae564cf91e3a1715bf