Address leftover comment on aosp/2651440

Close the fd based on the automaticOnOffState increases the
complexity. Replace it with always dup the fd in the constructor.

Bug: 290094178
Test: atest FrameworksNetTests
Test: atest android.net.cts.ConnectivityManagerTest
Change-Id: I0133588c41dd6aca9f0ee0fcc8e4b4418e152284
1 file changed