sepolicy: Switch to BOARD_VENDOR_SEPOLICY_DIRS

- BOARD_SEPOLICY_DIRS is deprecated and gives compile-time
  errors when used in unison with a device using BOARD_VENDOR_SEPOLICY_DIRS

Ref:
[0]: https://github.com/LineageOS/android_system_sepolicy/commit/ec3ac470a98342c13c1fec8d46433c73b08531be

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>
Change-Id: Icefb062cc8cdef532b4310684d9a66afe97e49c4
diff --git a/common/sepolicy.mk b/common/sepolicy.mk
index d50f870..46cf113 100644
--- a/common/sepolicy.mk
+++ b/common/sepolicy.mk
@@ -26,7 +26,7 @@
     device/lineage/sepolicy/common/dynamic \
     device/lineage/sepolicy/common/system
 else
-BOARD_SEPOLICY_DIRS += \
+BOARD_VENDOR_SEPOLICY_DIRS += \
     device/lineage/sepolicy/common/dynamic \
     device/lineage/sepolicy/common/vendor
 endif
diff --git a/exynos/sepolicy.mk b/exynos/sepolicy.mk
index 56097ea..c34274e 100644
--- a/exynos/sepolicy.mk
+++ b/exynos/sepolicy.mk
@@ -17,7 +17,7 @@
     device/lineage/sepolicy/exynos/dynamic \
     device/lineage/sepolicy/exynos/system
 else
-BOARD_SEPOLICY_DIRS += \
+BOARD_VENDOR_SEPOLICY_DIRS += \
     device/lineage/sepolicy/exynos/dynamic \
     device/lineage/sepolicy/exynos/vendor
 endif
diff --git a/qcom/sepolicy.mk b/qcom/sepolicy.mk
index 590b7ce..cf5c006 100644
--- a/qcom/sepolicy.mk
+++ b/qcom/sepolicy.mk
@@ -17,13 +17,13 @@
     device/lineage/sepolicy/qcom/dynamic \
     device/lineage/sepolicy/qcom/system
 else
-BOARD_SEPOLICY_DIRS += \
+BOARD_VENDOR_SEPOLICY_DIRS += \
     device/lineage/sepolicy/qcom/dynamic \
     device/lineage/sepolicy/qcom/vendor
 endif
 
 ifneq ($(filter msm8226 msm8610 msm8974 msm8909 msm8916 msm8952 msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
-BOARD_SEPOLICY_DIRS += \
+BOARD_VENDOR_SEPOLICY_DIRS += \
     device/lineage/sepolicy/qcom/legacy-vendor
 endif