Feature flag for Ethernet Settings

Flag: com.android.settings.connectivity.ethernet_settings

Adding an aconfig flag for Ethernet Settings CUJs as defined in
go/al-ethernet-prd

Bug: b/384375770
Change-Id: I028e4ac1038416b720fa8872301f50c65f1d4a5f
diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index 8be93f0..6d62dcf 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -79,3 +79,15 @@
     name: "keyboard_flags_lib",
     aconfig_declarations: "keyboard_flags",
 }
+
+aconfig_declarations {
+    name: "settings_connectivity_flags",
+    package: "com.android.settings.connectivity",
+    container: "system",
+    srcs: ["connectivity/*.aconfig"],
+}
+
+java_aconfig_library {
+    name: "settings_connectivity_flags_lib",
+    aconfig_declarations: "settings_connectivity_flags",
+}