Add CtsNetTestCasesLatestSdk to postsubmit

Also exclude some tests that cannot run on cuttlefish.
This is a first step to add the suite to presubmit. Having the test in
presubmit is essential to avoid regressions and keep it passing.

Bug: 158153057
Test: m CtsNetTestCases; this patch will provide postsubmit results
Change-Id: I48b2b5490d3fd5eb6f9456825c11f3fee0ec5b67
4 files changed
tree: ca0f956b0a8e57575edec698124723faba30d465
  1. tests/