Move proprietary-files.sh to extract-files.sh

Change-Id: I6a56cb8783351f820d28f542e771c89b15895cf1
i9300: blow headphones away

Change-Id: Icea9796f28d20c0226a704ac249e062962acec07
i9300: enable samsung stk

Change-Id: I625c79addc478d03ad6dcc4a7ff48eb383987be9
Remove duplicate bool in configs overlay

Signed-off-by: travp624 <travp624@gmail.com>