Use TargetSetupError for ConnectivityCheck

If the preparer throws AssertionError, tests will still
be retried without re-running the preparer. It needs
to throw TargetSetupError to indicate that setup failed.

Change-Id: Id01845536a216e1a3ca1c671c97f7bcd992c354e
Fixes: 254542801
Test: atest
1 file changed
tree: 94312151e8c57880404cb9d73aba7da3481ce8df
  1. staticlibs/