Add CTS API coverage for APIs which are used by NetworkStack

Bug: 129200003
Bug: 129200292
Bug: 129199996
Bug: 129200261
Bug: 129200513
Bug: 129200316
Bug: 129200589
Bug: 129200181
Bug: 129200669
Bug: 129200504
Bug: 129200478
Test: atest FrameworksNetTests
Test: atest CtsNetTestCases: added tests pass

Change-Id: I0fed0664c1eb7b07c890efffb71ef589f65eec80
Merged-In: Id3f0d1c19a76c7987b69e449203fc50423f5e531
Merged-In: I0fed0664c1eb7b07c890efffb71ef589f65eec80
(cherry picked from commit 8c6a07de)