Check subscription's validness for network selection's APIs

We should not continue processing the network selection's APIs in underlying
if the given subscription is inactive.

Bug: 111453847
Test: build
Merged-In: I8fc7dcc8479614d49d4ad9c50bfd89e1bd49b618
Change-Id: I8fc7dcc8479614d49d4ad9c50bfd89e1bd49b618
1 file changed