Fix crash after destroyed

Remove the touch listener while destroyed to avoid causing the
IllegalStateException.

Fixes: 144703050
Test: atest CtsAutoFillServiceTestCases
Change-Id: I04b30fa3cef5bea00a4dbd9957cae8246f09a802
(cherry picked from commit 93e16223652c635cb79739e2fea2ed8d4283556e)
1 file changed