BUG: 158040335
This will ensure the phone is using the 5g(NR)
as the preferred network mode.
User can change it in setting later, if desired.
Change-Id: I69583d1769739124a51355ff8b887e727ba61df8
As mentioned in go/partitions-in-r, we plan to forbid hidden API in
product partition.
So this app should be moved to /system_ext because it uses hidden API.
It is not permanent, so they can be moved back to /product due to
needs if there isn't hidden usage anymore.
Bug: 137908189
Test: m
Test: check whether device boots successfully
Change-Id: Id1e897eadea814b780f199fa7f3d683924eb4ab3