Support getBarringInfo in telephony framework

HAL interface IRadio.getBarringInfo was introduced in
Radio HAL v1.5. By introducing the interface into
CommandsInterface, it can be used by other system
components.

Bug: 148981484
Test: make && atest RILTest
Merged-In: I368cf9e2927bcf550fa84aa1831362bbd4430181
Change-Id: I368cf9e2927bcf550fa84aa1831362bbd4430181
(cherry picked from commit 508fed91)