Migrate WifiCommand to WifiShellCommand

Migrate `svc wifi` to `cmd wifi set-wifi-enabled`
since WifiCommand can no longer access @hide
IWifiManager.aidl.

Bug: 138801922
Test: adb shell svc wifi [enable|disable|asdf|""]
Test: adb shell cmd wifi set-wifi-enabled [enabled|disabled|asdf|""]
Change-Id: I2b45c443c6b39004f7f1bb861cf8efe7bbe1578e
1 file changed
tree: e3e92892f1acb8f295f1aa4d5f7391246f128dea
  1. service/
  2. PREUPLOAD.cfg