Update Custom Toggle PS18

Change-Id: I7921f83766cee8c3eb6318a93badfea9a9355883
Touch up toggle setup dialog

Be consistent with other dialogs in android and match their style,
also added a close button for a better UX

Change-Id: Ifca3c9456bd2c685d66a6a056fd8047752dc8d3b
Signed-off-by: Roman Birg <romanbirg@gmail.com>