remove app options entry dialog

Change-Id: I122f3d105b09d5905414129ba260c085e76e76b4
also remove the option for eight lockscreen targets when removing shortcut options on tablets

Change-Id: I4473b9d5570540eac7ce2b62eb2d75ff131e1d60
fix app options string

Change-Id: I017047a498b77dc4c55a49940026df6e19d9fe58
lockscreen extras pref title and summary dependant on device configuration

Change-Id: Ida60a2b74e6bc078c2c6d2c448d06fdd838f7c3d