[OpenWrt] Openwrt support for WiFi.

Cherry picked changes from git_master

Bug: 158349179
Test: Verified the changes
Merged-In: If7031da9fe0607f1035c6617b1f292b3668913cd
Change-Id: I7fa44fedfb87591fd06c41f56dc3728e15bcaf07
Exempt-From-Owner-Approval: Changes approved in internal master
7 files changed
tree: 64c58ffd747bf900e7c0d4441f43f9e5f2227aec
  1. acts/
  2. acts_tests/
  3. tools/
  4. wts-acts/
  5. Android.mk
  6. OWNERS
  7. PREUPLOAD.cfg