tree 92ec414da60c835fdfad61859de022e962dcd836
parent 866da508c8ffe1802526039003d2abfa072e9292
author calvinpan <calvinpan@google.com> 1597740839 +0800
committer calvinpan <calvinpan@google.com> 1597740839 +0800

Store the preferred network mode only if it set to modem successfully

In Q, the phoneInterfaceManager store the preferred network type when it
set to modem successfully. Keep the behavior same as before.

Bug: 160201328
Test: Atest and by manual
Change-Id: Ieb0f48bf849ce5c9a9b3b8d4192a755a6f0adb3a