zenfone8: Fix hal_health_default get system.prop

W health@2.1-serv: type=1400 audit(0.0:235): avc: denied { read } for name="u:object_r:system_prop:s0" dev="tmpfs" ino=12780 scontext=u:r:hal_health_default:s0 tcontext=u:object_r:system_prop:s0 tclass=file permissive=0

W libc    : Access denied finding property "sys.health.healthloop.disable"

Change-Id: I30682a16c816af75d7fb682c8c14883388123ef4
diff --git a/BoardConfig.mk b/BoardConfig.mk
index cbdc48d..0c716ac 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -89,6 +89,7 @@
 BUILD_BROKEN_DUP_RULES := true
 BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := true
 BUILD_BROKEN_ENFORCE_SYSPROP_OWNER := true
+BUILD_BROKEN_VENDOR_PROPERTY_NAMESPACE := true
 
 # charger
 BOARD_CHARGER_DISABLE_INIT_BLANK := true