Allocate and de-allocate objects upon multi_config_change.

For class CarrierConfigLoader and RadioOnHelper

Bug: 142514392
Test: unittest
Merged-In: Ie58e842d1dc26e49528760e4ff3a6e50e3f8e7da
Change-Id: Ie58e842d1dc26e49528760e4ff3a6e50e3f8e7da
(cherry picked from commit 5acb9cf878c631e003d471afd5896d7f705cdf42)
3 files changed