Merge 4.19.277 into android-4.19-stable

Changes in 4.19.277
	wifi: cfg80211: Partial revert "wifi: cfg80211: Fix use after free for wext"
	staging: rtl8192e: Remove function ..dm_check_ac_dc_power calling a script
	staging: rtl8192e: Remove call_usermodehelper starting RadioPower.sh
	Linux 4.19.277

Change-Id: I98040d925011b4773cacd8cb0b74ca3f1670e270
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>