common: exported2_default_prop -> build_prop

Change-Id: I535b88b360d3bf6a4487086c15d90a2800667056
diff --git a/common/private/updater_app.te b/common/private/updater_app.te
index f0d2243..91b63a0 100644
--- a/common/private/updater_app.te
+++ b/common/private/updater_app.te
@@ -23,6 +23,6 @@
 allow updater_app ota_package_file:file create_file_perms;
 
 get_prop(updater_app, default_prop)
-get_prop(updater_app, exported2_default_prop)
+get_prop(updater_app, build_prop)
 
 set_prop(updater_app, recovery_update_prop)