p4wifi: sync with pershoot (github.com/pershoot/android_vendor_samsung_p4wifi)
p4vzw: sync with pershoot (github.com/pershoot/android_vendor_samsung_p4vzw)
p4tmo: sync with pershoot (github.com/pershoot/android_vendor_samsung_p4tmo)
p4: sync with pershoot (github.com/pershoot/android_vendor_samsung_p4)