Allow connectivity namespace to enable native level access flags.

Follow the steps: go/android-native-flag-api-manual

Bug: 179099277
Test: m -j
Test: manually verify connection to wifi after flash
Change-Id: Ieb5355d40aec9ed7a42b7ae5b250b696fcf00810
diff --git a/private/flags_health_check.te b/private/flags_health_check.te
index de5f37e..983bad6 100644
--- a/private/flags_health_check.te
+++ b/private/flags_health_check.te
@@ -17,6 +17,7 @@
 set_prop(flags_health_check, device_config_sys_traced_prop)
 set_prop(flags_health_check, device_config_window_manager_native_boot_prop)
 set_prop(flags_health_check, device_config_configuration_prop)
+set_prop(flags_health_check, device_config_connectivity_prop)
 
 # system property device_config_boot_count_prop is used for deciding when to perform server
 # configurable flags related disaster recovery. Mistakenly set up by unrelated components can, at a