Revert "Expose Secure.get{Int,String}ForUser as systemApi"

This reverts commit c51683b7e73142331bcfd6ab873f885b41b496cc.

Reason for revert: API should not be expose, errorprone is being updated

Change-Id: I633ac76aa03982aa9cb03b1cc9f3d92ced94db4d
2 files changed