sec_touchkey: 0x00FE ==> RECENTAPPS

Change-Id: Ieb782444140a45034af9e21ab8eb8133c435711e
Kill redundant network modes

Change-Id: I861781644053c6a26ba79ceda29effc886f09534
Add a virtualKeyQuietTimeMillis config val

Change-Id: Icecca9e6305c34a3e9390dabe1a2eeb304632058