PAC Settings
Create a seperate PAC settings table.

Based on AOKP's Settings https://github.com/AOKP/frameworks_base/commit/0a840b7b4d2efe5c054282da5cb4978cd56ac46e,
full credit goes to the original author, Dirk Rettschlag @MarcLandis for this idea.

Signed-off-by: Lokesh Chamane <lokesh.c703@gmail.com>