Add API to get privilege type

Add API to get privilege type

- Add API to get privilege type.
It determines privilege type according to the given uid and package id
on the basis of ask policy white list per privacy and mdm black list.
- Add table for privacy white list.
It stores whitelist for ask policy and whether the privacy is user-settable or not.
Possible privacy option format is "*-{privacyA}-{privacyB}.." or "{privacyA}+{privacyB}+...".
If pkg should not be seen in privacy setting menu then set 'settable' flag to 0.
If 'settable' flag is set to 1 for the privacy or not exist for the privacy then then pkg privacy option is user-settable for that privacy.

Change-Id: I720e9f5abcf02c89b3a09238d5fbafe26bf8e044
Signed-off-by: Yunjin Lee <yunjin-.lee@samsung.com>