[openwrt_lib] Fix for enabling DFS channels am: fcfa9af8df

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/test/connectivity/+/12469289

Change-Id: Ic1f96707ccef398c4194c921529bb8a64967e56a
tree: c3c3284b496549f888688447ec4a99c9e207499e
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg