Update WifiTelCoexTest.py to reflect change where ensure_phones_idle() got moved to tel_phone_setup_utils.py.

CL where change was made: https://googleplex-android.git.corp.google.com/platform/tools/test/connectivity/+/44b04be53db2e0bd4a0afad7bdc0b2cee94243fe

Bug: 209525692
Change-Id: I77297265d689fb9c54edc688f09cc40fa10f967a
1 file changed
tree: 7d8ba41e1849d0ac341ea00f58b4cbaf2ecb36da
  1. acts/
  2. acts_tests/
  3. tools/
  4. wts-acts/
  5. Android.mk
  6. OWNERS
  7. PREUPLOAD.cfg