Migrate pullWifiActivityInfo

Test: atest HostAtomTests#testWifiActivityInfo
Test: adb shell cmd stats pull-source 10011
Change-Id: I6c4e80df4121504cdcfb49c9f5b84916ae2adef3
1 file changed
tree: 706bb914f2095884536d8cd3a3ecc8786c8d1a8b
  1. apex/