framework: port IME selector notification toggle (2/2)

Change-Id: Ia35960d88468dba44cdfad26c7cc74f811a6844f
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Revert "SystemUI: change back button to hide ime buttom with rotate animation."

This reverts commit 15f8607a59c0bea60e5b40fc7384803b9349af55.

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>