Revert "Set sota system propety and inclue new sepolicy for Fact..."

Revert "Add Factory OTA into B5 R3"

Revert "Remove old Factory OTA sepolicy setting for C1"

Revert "Rename FactoryOTA property used in RIL"

Revert "Remove old Factory OTA sepolicy setting and let RIL use ..."

Revert submission 10029000-factoryota-porting-AndroidR

Reason for revert: Droidcop: Potential culprit for Bug 149824969 - verifying through Forrest before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.
Reverted Changes:
Iab3d4deb9:Remove old Facotry OTA sepolicy setting for B4/S4
I3fbb77837:Add Factory OTA into B5 R3
Icc0434a49:Remove old Factory OTA sepolicy setting and let RI...
I723e484c9:Rename FactoryOTA property used in RIL
I60353556a:Remove ro.boot.sota setting in init.hardware.rc
Ie0947aae5:Include factoryota.mk to enable new sepolicy
I99ab2d374:Remove legacy Factory OTA system property in Facto...
I268bee5e8:Set sota system propety and inclue new sepolicy fo...
Ic6c4fddf6:Remove old Factory OTA sepolicy setting for S5
I818c69760:Move FactoryOTA sepolicy Setting to Pixel-wide loc...
Ic2c286808:Remove old Factory OTA sepolicy setting for C1
Ib020aa677:Remove old Factory OTA sepolicy setting for C2/F2

Change-Id: I7288735364aa1ba6eda9cf53182343b07836770b