gs101: move omni sepolicy include

Change-Id: I0625aedd499d35260e0d4762e6ed34eea19edfd9
diff --git a/BoardConfig-omni.mk b/BoardConfig-omni.mk
index 05af790..fd7a595 100644
--- a/BoardConfig-omni.mk
+++ b/BoardConfig-omni.mk
@@ -20,3 +20,5 @@
 BOARD_AVB_VBMETA_VENDOR_ALGORITHM := SHA256_RSA2048
 BOARD_AVB_VBMETA_VENDOR_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
 BOARD_AVB_VBMETA_VENDOR_ROLLBACK_INDEX_LOCATION := 3
+
+include vendor/omni/sepolicy/sepolicy.mk