Merge branch '1706-a14-FP4' into 'a14'

SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/public

# Verified Boot

SPL_PARTS := $(subst -, ,$(PLATFORM_SECURITY_PATCH))

SPL_YEAR := $(word 1,$(SPL_PARTS))

SPL_MONTH := $(word 2,$(SPL_PARTS))

FIXED_DAY_SPL := $(SPL_YEAR)-$(SPL_MONTH)-05 # Force day to 05 ALWAYS

BOARD_AVB_ENABLE := true

BOARD_AVB_VBMETA_SYSTEM := system system_ext product

BOARD_AVB_VBMETA_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem

BOARD_AVB_VBMETA_SYSTEM_ALGORITHM := SHA256_RSA2048

BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)

BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX := $(shell date -d 'TZ="GMT" $(FIXED_DAY_SPL)' +%s)

BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX_LOCATION := 2

# Wifi