Add native flags namespace storage_native_boot

Grant SEPolicy write permissions for device_config_storage_native_boot.

Test: build and flash - device successfully boots
Bug: 140803239
Change-Id: I6e4f5889aee9384b47faacb31e2b1938250428ef
diff --git a/private/property_contexts b/private/property_contexts
index 55445ec..0ca9659 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -192,6 +192,7 @@
 persist.device_config.runtime_native.        u:object_r:device_config_runtime_native_prop:s0
 persist.device_config.runtime_native_boot.   u:object_r:device_config_runtime_native_boot_prop:s0
 persist.device_config.media_native.          u:object_r:device_config_media_native_prop:s0
+persist.device_config.storage_native_boot.   u:object_r:device_config_storage_native_boot_prop:s0
 
 # Properties that relate to legacy server configurable flags
 persist.device_config.global_settings.sys_traced u:object_r:device_config_sys_traced_prop:s0