Add a method to determine if a reboot is required to alter the modem config

Bug: 123101701
Test: sanity
Change-Id: Ieb48ccbb6832f5bf1e959722fa93cbfd8f9e9718
Merged-In: Ieb48ccbb6832f5bf1e959722fa93cbfd8f9e9718
(cherry picked from commit 5fe5ef2e326ba1f3bb458d7188189f83ac7a1348)
1 file changed