Expose selinux variables to Soong.

Bug: 33691272
Test: manual
Change-Id: I734b96be16279716208bbc0afb78b8f4555deffb
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 4d502ec..f539bc1 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -140,6 +140,11 @@
 
 $(call add_json_list, PgoAdditionalProfileDirs,          $(PGO_ADDITIONAL_PROFILE_DIRS))
 
+$(call add_json_list, BoardVendorSepolicyDirs,           $(BOARD_SEPOLICY_DIRS))
+$(call add_json_list, BoardOdmSepolicyDirs,              $(BOARD_ODM_SEPOLICY_DIRS))
+$(call add_json_str,  BoardPlatPublicSepolicyDir,        $(BOARD_PLAT_PUBLIC_SEPOLICY_DIR))
+$(call add_json_str,  BoardPlatPrivateSepolicyDir,       $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR))
+
 _contents := $(_contents)    "VendorVars": {$(newline)
 $(foreach namespace,$(SOONG_CONFIG_NAMESPACES),\
   $(eval _contents := $$(_contents)        "$(namespace)": {$$(newline)) \