Reorganize connectivity framework dependencies

Allow framework-connectivity to depend on framework-connectivity-t
stubs, and framework-connectivity-t to depend on prebuilt (to avoid
circular dependencies) framework-connectivity stubs to compile its own
stubs, and framework-connectivity.impl to compile its implementation.

Also reorganize jarjar rules so that service and framework jar can use
static libraries in framework-connectivity without packaging their own,
reducing duplicate code.

Bug: 204830222
Test: m
Change-Id: I75c34986e7c479de23cdb2e9b360fa1fede018c9
diff --git a/service/Android.bp b/service/Android.bp
index ef969ac..6d187ba 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -20,9 +20,9 @@
 }
 
 // The library name match the service-connectivity jarjar rules that put the JNI utils in the
-// com.android.connectivity.com.android.net.module.util package.
+// android.net.connectivity.com.android.net.module.util package.
 cc_library_shared {
-    name: "libcom_android_connectivity_com_android_net_module_util_jni",
+    name: "libandroid_net_connectivity_com_android_net_module_util_jni",
     min_sdk_version: "30",
     cflags: [
         "-Wall",
@@ -98,20 +98,20 @@
     ],
     libs: [
         "framework-annotations-lib",
-        "framework-connectivity.impl",
+        "framework-connectivity-pre-jarjar",
         "framework-tethering.stubs.module_lib",
         "framework-wifi.stubs.module_lib",
         "unsupportedappusage",
         "ServiceConnectivityResources",
     ],
     static_libs: [
+        // Do not add libs here if they are already included
+        // in framework-connectivity
         "dnsresolver_aidl_interface-V9-java",
-        "modules-utils-build",
         "modules-utils-shell-command-handler",
         "net-utils-device-common",
         "net-utils-device-common-bpf",
         "net-utils-device-common-netlink",
-        "net-utils-framework-common",
         "netd-client",
         "networkstack-client",
         "PlatformProperties",
@@ -159,7 +159,7 @@
         "service-connectivity-tiramisu-pre-jarjar",
         "service-nearby",
     ],
-    jarjar_rules: "jarjar-rules.txt",
+    jarjar_rules: ":connectivity-jarjar-rules",
     apex_available: [
         "com.android.tethering",
     ],
diff --git a/service/jarjar-rules.txt b/service/jarjar-rules.txt
index f658a5e..e3b26fd 100644
--- a/service/jarjar-rules.txt
+++ b/service/jarjar-rules.txt
@@ -1,6 +1,15 @@
+# Classes in framework-connectivity are restricted to the android.net package.
+# This cannot be changed because it is harcoded in ART in S.
+# Any missing jarjar rule for framework-connectivity would be caught by the
+# build as an unexpected class outside of the android.net package.
+rule com.android.net.module.util.** android.net.connectivity.@0
+rule com.android.modules.utils.** android.net.connectivity.@0
+rule android.net.NetworkFactory* android.net.connectivity.@0
+
+# From modules-utils-preconditions
+rule com.android.internal.util.Preconditions* android.net.connectivity.@0
+
 rule android.sysprop.** com.android.connectivity.@0
-rule com.android.net.module.util.** com.android.connectivity.@0
-rule com.android.modules.utils.** com.android.connectivity.@0
 
 # internal util classes from framework-connectivity-shared-srcs
 rule android.util.LocalLog* com.android.connectivity.@0
@@ -23,9 +32,6 @@
 rule android.net.ResolverParamsParcel* com.android.connectivity.@0
 # Also includes netd event listener AIDL, but this is handled by netd-client rules
 
-# From net-utils-device-common
-rule android.net.NetworkFactory* com.android.connectivity.@0
-
 # From netd-client (newer AIDLs should go to android.net.netd.aidl)
 rule android.net.netd.aidl.** com.android.connectivity.@0
 # Avoid including android.net.INetdEventCallback, used in tests but not part of the module
diff --git a/service/jni/com_android_net_module_util/onload.cpp b/service/jni/com_android_net_module_util/onload.cpp
index 07ae31c..2f09e55 100644
--- a/service/jni/com_android_net_module_util/onload.cpp
+++ b/service/jni/com_android_net_module_util/onload.cpp
@@ -30,10 +30,10 @@
     }
 
     if (register_com_android_net_module_util_BpfMap(env,
-            "com/android/connectivity/com/android/net/module/util/BpfMap") < 0) return JNI_ERR;
+            "android/net/connectivity/com/android/net/module/util/BpfMap") < 0) return JNI_ERR;
 
     if (register_com_android_net_module_util_TcUtils(env,
-            "com/android/connectivity/com/android/net/module/util/TcUtils") < 0) return JNI_ERR;
+            "android/net/connectivity/com/android/net/module/util/TcUtils") < 0) return JNI_ERR;
 
     return JNI_VERSION_1_6;
 }