Update git submodules

* Update platform/tools/test/connectivity from branch 'master'
  to 6314a7d4809dbb93d2f5ae758221b92979268e3a
  - Merge "Removing duplicate _hold_unhold_test() from Nsa5gVoiceTest"
  - Removing duplicate _hold_unhold_test() from Nsa5gVoiceTest
    
    Move _hold_unhold_test() from TelLiveVoiceTest to tel_voice_utils and
    rename it to hold_unhold_test().
    Move _test_call_setup_hold_unhold from Nsa5gVoiceTest to tel_voice_utils and
    rename it to phone_setup_call_hold_unhold_test()
    
    Test: yes, ChungHwa telecom
    Bug: 179409496:
    Change-Id: I9c63a45283941744fc387056c29fc2a743e45479
    
1 file changed