Ensure VTS collector check for availability

Test: unit tests
Bug: 231971525
Change-Id: I6be09fa134d796f67dec15c38720cea4d3e08210
1 file changed
tree: f1c3f5d30c07149002ae94fd54db008900248afb
  1. common/
  2. OWNERS
  3. PREUPLOAD.cfg