Simplify getImmDelegate in ImeFocusController

This CL undoes part of [1] making removing a local variable.

[1]: Id4c85be1c0eab51f167ba00fc355386f852c424d

Test: make
Change-Id: I6b890e5536c17dd53722e2c3a781c85dd9d6bdf0
(cherry picked from commit d90033999f0282cb1a5d70c66f8102dde3ea58b0)
Merged-In:I6b890e5536c17dd53722e2c3a781c85dd9d6bdf0
1 file changed