DO NOT MERGE: Revert "Make Wifi WPS API available on application layer"

This reverts commit 1f3b490645f7c14459ac6f864eaf742448f7b764.

This is to hide WPS API for developer preview. They may get
activated again later.

Bug: 15191968
Change-Id: I21dbd5cd0345fbb2e55603d6b2af23d83d9c2ae2
3 files changed