Settings: Forward port Kill app longpress back

Based on http://review.cyanogenmod.org/#/c/27235
Original author: DaneshM

Change-Id: I6e8bfb4e7e4a35c321a01debf8fdb3a38120267b
One does not simply become a Developer

Original Change-Id: I64ab4d7ab9d8334275d2e4d493b716a8fc73ab4e

Change-Id: I5c04307d0d6fd6ccfb82b5e1b2414c4e34e2d25c