Export variables for avb boot images to soong

Bug: 377562951
Test: m nothing --no-skip-soong-tests
Change-Id: I00e21579752462e2309b4fdf80e8ce11ed70eea5
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 32ca660..c9c6e4a 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -441,6 +441,9 @@
   $(call add_json_str, BoardBootHeaderVersion, $(BOARD_BOOT_HEADER_VERSION))
   $(call add_json_str, TargetKernelPath, $(TARGET_KERNEL_PATH))
   $(call add_json_bool, BoardUsesGenericKernelImage, $(BOARD_USES_GENERIC_KERNEL_IMAGE))
+  $(call add_json_str, BootSecurityPatch, $(BOOT_SECURITY_PATCH))
+  $(call add_json_str, InitBootSecurityPatch, $(INIT_BOOT_SECURITY_PATCH))
+  $(call add_json_str, VendorSecurityPatch, $(VENDOR_SECURITY_PATCH))
 
   # Avb (android verified boot) stuff
   $(call add_json_bool, BoardAvbEnable, $(filter true,$(BOARD_AVB_ENABLE)))