Include structs lib in service-connectivity-pre-jarjar

To use the java struct definitions for multicast routing in connectivity
service, a new lib is defined and included in
service-connectivity-pre-jarjar.

Bug: 323503345

Test: presubmit
Change-Id: I664602fd0fa0a5da136ea28fd3c4d9068c5b46ab

framework/Android.bp

@@ -96,7 +96,6 @@ java_defaults {
     ],
     impl_only_static_libs: [
         "net-utils-device-common-bpf",
-        "net-utils-device-common-struct",
     ],
     libs: [
         "androidx.annotation_annotation",
@@ -125,7 +124,6 @@ java_library {
         // Even if the library is included in "impl_only_static_libs" of defaults. This is still
         // needed because java_library which doesn't understand "impl_only_static_libs".
         "net-utils-device-common-bpf",
-        "net-utils-device-common-struct",
     ],
     libs: [
         // This cannot be in the defaults clause above because if it were, it would be used

service/Android.bp

@@ -197,6 +197,7 @@ java_library {
         "PlatformProperties",
         "service-connectivity-protos",
         "service-connectivity-stats-protos",
+        "net-utils-multicast-forwarding-structs",
     ],
     apex_available: [
         "com.android.tethering",

staticlibs/Android.bp

@@ -188,6 +188,33 @@ java_library {
     },
 }
 
+// The net-utils-multicast-forwarding-structs library requires the callers to
+// contain net-utils-device-common-bpf.
+java_library {
+    name: "net-utils-multicast-forwarding-structs",
+    srcs: [
+        "device/com/android/net/module/util/structs/StructMf6cctl.java",
+        "device/com/android/net/module/util/structs/StructMif6ctl.java",
+        "device/com/android/net/module/util/structs/StructMrt6Msg.java",
+    ],
+    sdk_version: "module_current",
+    min_sdk_version: "30",
+    visibility: [
+        "//packages/modules/Connectivity:__subpackages__",
+    ],
+    libs: [
+        // Only Struct.java is needed from "net-utils-device-common-bpf"
+        "net-utils-device-common-bpf",
+    ],
+    apex_available: [
+        "com.android.tethering",
+    ],
+    lint: {
+        strict_updatability_linting: true,
+        error_checks: ["NewApi"],
+    },
+}
+
 // The net-utils-device-common-netlink library requires the callers to contain
 // net-utils-device-common-struct.
 java_library {