[RTT] Assert that at least one AP is visible

For RTT tests we scan for a specific type of AP (in this case an
AP which does NOT support IEEE 802.11mc). Need to assert explicitly
in the test that we have at least 1 such AP.

Bug: 78587642
Test: act.py ... RangeApNonSupporting11McTest
Change-Id: Id60e15c72508758a03457f8def6b96348b88d487
1 file changed
tree: cca6df6dac4085dc7bb76055d9d9d722bcce302d
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. PREUPLOAD.cfg