[ALPS04763237] Modify permission forRIL

Reduce the scope of permission for RIL to access proc node.

MTK-Commit-Id: 4f0402b23acbbcf90e195f4c0bfc3bd249c1489e

Change-Id: I442119bd6696a40aa1a49bec781cfb947869b995
CR-Id: ALPS04763237
Feature: DSDS (Dual SIM Dual Standby) Framework-Common Framework(RIL)