diff --git a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxy.java b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxy.java
index 09abdd092648e..7333d2394b2f3 100644
--- a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxy.java
+++ b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxy.java
@@ -31,7 +31,6 @@ import com.android.server.pm.verify.domain.DomainVerificationMessageCodes;
 import java.util.Objects;
 import java.util.Set;
 
-// TODO(b/170321181): Combine the proxy versions for supporting v1 and v2 at once
 public interface DomainVerificationProxy {
 
     String TAG = "DomainVerificationProxy";
@@ -81,8 +80,7 @@ public interface DomainVerificationProxy {
         return new DomainVerificationProxyUnavailable();
     }
 
-    default void sendBroadcastForPackages(@NonNull Set<String> packageNames) {
-    }
+    void sendBroadcastForPackages(@NonNull Set<String> packageNames);
 
     /**
      * Runs a message on the caller's Handler as a result of {@link BaseConnection#schedule(int,
@@ -94,18 +92,12 @@ public interface DomainVerificationProxy {
      * @param messageCode One of the values in {@link DomainVerificationMessageCodes}.
      * @param object      Arbitrary object that was originally included.
      */
-    default boolean runMessage(int messageCode, Object object) {
-        return false;
-    }
+    boolean runMessage(int messageCode, Object object);
 
-    default boolean isCallerVerifier(int callingUid) {
-        return false;
-    }
+    boolean isCallerVerifier(int callingUid);
 
     @Nullable
-    default ComponentName getComponentName() {
-        return null;
-    }
+    ComponentName getComponentName();
 
     interface BaseConnection {
 
diff --git a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyCombined.java b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyCombined.java
index 8571c08699bd1..5732d6b168fbd 100644
--- a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyCombined.java
+++ b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyCombined.java
@@ -17,6 +17,7 @@
 package com.android.server.pm.verify.domain.proxy;
 
 import android.annotation.NonNull;
+import android.content.ComponentName;
 
 import java.util.Set;
 
@@ -51,4 +52,10 @@ class DomainVerificationProxyCombined implements DomainVerificationProxy {
     public boolean isCallerVerifier(int callingUid) {
         return mProxyV2.isCallerVerifier(callingUid) || mProxyV1.isCallerVerifier(callingUid);
     }
+
+    @NonNull
+    @Override
+    public ComponentName getComponentName() {
+        return mProxyV2.getComponentName();
+    }
 }
diff --git a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyUnavailable.java b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyUnavailable.java
index bd77983256c5d..363f9697633c5 100644
--- a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyUnavailable.java
+++ b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyUnavailable.java
@@ -16,6 +16,32 @@
 
 package com.android.server.pm.verify.domain.proxy;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.ComponentName;
+
+import java.util.Set;
+
 /** Stub implementation for when the verification agent is unavailable */
 public class DomainVerificationProxyUnavailable implements DomainVerificationProxy {
+
+    @Override
+    public void sendBroadcastForPackages(@NonNull Set<String> packageNames) {
+    }
+
+    @Override
+    public boolean runMessage(int messageCode, Object object) {
+        return false;
+    }
+
+    @Override
+    public boolean isCallerVerifier(int callingUid) {
+        return false;
+    }
+
+    @Nullable
+    @Override
+    public ComponentName getComponentName() {
+        return null;
+    }
 }
diff --git a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyV1.java b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyV1.java
index fa36683e4aff7..c8e46b62f6b05 100644
--- a/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyV1.java
+++ b/services/core/java/com/android/server/pm/verify/domain/proxy/DomainVerificationProxyV1.java
@@ -298,6 +298,12 @@ public class DomainVerificationProxyV1 implements DomainVerificationProxy {
         return builder.toString();
     }
 
+    @NonNull
+    @Override
+    public ComponentName getComponentName() {
+        return mVerifierComponent;
+    }
+
     private static class Response {
         public final int callingUid;
         public final int verificationId;
diff --git a/services/tests/PackageManagerServiceTests/unit/src/com/android/server/pm/test/verify/domain/DomainVerificationProxyTest.kt b/services/tests/PackageManagerServiceTests/unit/src/com/android/server/pm/test/verify/domain/DomainVerificationProxyTest.kt
index a9b77ea6d95b6..0a54094b4b855 100644
--- a/services/tests/PackageManagerServiceTests/unit/src/com/android/server/pm/test/verify/domain/DomainVerificationProxyTest.kt
+++ b/services/tests/PackageManagerServiceTests/unit/src/com/android/server/pm/test/verify/domain/DomainVerificationProxyTest.kt
@@ -466,6 +466,44 @@ class DomainVerificationProxyTest {
         }
     }
 
+    @Test
+    fun nonNullComponentName() {
+        val connection = mockConnection()
+        DomainVerificationProxy.makeProxy<Connection>(
+            componentTwo,
+            null,
+            context,
+            manager,
+            collector,
+            connection
+        ).run {
+            assertThat(componentName).isEqualTo(componentTwo)
+        }
+
+        DomainVerificationProxy.makeProxy<Connection>(
+            null,
+            componentThree,
+            context,
+            manager,
+            collector,
+            connection
+        ).run {
+            assertThat(componentName).isEqualTo(componentThree)
+        }
+
+        DomainVerificationProxy.makeProxy<Connection>(
+            componentTwo,
+            componentThree,
+            context,
+            manager,
+            collector,
+            connection
+        ).run {
+            // Higher version takes precedence
+            assertThat(componentName).isEqualTo(componentThree)
+        }
+    }
+
     private fun mockConnection(block: Connection.() -> Unit = {}) =
         mockThrowOnUnmocked<Connection> {
             whenever(isCallerPackage(TEST_CALLING_UID_ACCEPT, TEST_PKG_NAME_ONE)) { true }