diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index b3b831edcab79..26d871f9acb37 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -2793,7 +2793,7 @@ public class ActivityManagerService extends IActivityManager.Stub
         mIntentFirewall = new IntentFirewall(new IntentFirewallInterface(), mHandler);
         mTaskChangeNotificationController =
                 new TaskChangeNotificationController(this, mStackSupervisor, mHandler);
-        mActivityStarter = new ActivityStarter(this, AppGlobals.getPackageManager());
+        mActivityStarter = new ActivityStarter(this);
         mRecentTasks = createRecentTasks();
         mStackSupervisor.setRecentTasks(mRecentTasks);
         mLockTaskController = new LockTaskController(mContext, mStackSupervisor, mHandler);
@@ -11715,6 +11715,15 @@ public class ActivityManagerService extends IActivityManager.Stub
         return true;
     }
 
+    /**
+     * Returns the PackageManager. Used by classes hosted by {@link ActivityManagerService}. The
+     * PackageManager could be unavailable at construction time and therefore needs to be accessed
+     * on demand.
+     */
+    IPackageManager getPackageManager() {
+        return AppGlobals.getPackageManager();
+    }
+
     PackageManagerInternal getPackageManagerInternalLocked() {
         if (mPackageManagerInt == null) {
             mPackageManagerInt = LocalServices.getService(PackageManagerInternal.class);
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 9b8cbc1043a57..03162bbe01999 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -134,7 +134,6 @@ class ActivityStarter {
     private static final int INVALID_LAUNCH_MODE = -1;
 
     private final ActivityManagerService mService;
-    private final IPackageManager mPackageManager;
     private final ActivityStackSupervisor mSupervisor;
     private final ActivityStartInterceptor mInterceptor;
 
@@ -234,9 +233,8 @@ class ActivityStarter {
         mIntentDelivered = false;
     }
 
-    ActivityStarter(ActivityManagerService service, IPackageManager packageManager) {
+    ActivityStarter(ActivityManagerService service) {
         mService = service;
-        mPackageManager = packageManager;
         mSupervisor = mService.mStackSupervisor;
         mInterceptor = new ActivityStartInterceptor(mService, mSupervisor);
     }
@@ -379,7 +377,7 @@ class ActivityStarter {
                     && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) {
                 try {
                     intent.addCategory(Intent.CATEGORY_VOICE);
-                    if (!mPackageManager.activitySupportsIntent(
+                    if (!mService.getPackageManager().activitySupportsIntent(
                             intent.getComponent(), intent, resolvedType)) {
                         Slog.w(TAG,
                                 "Activity being started in current voice task does not support voice: "
@@ -397,7 +395,7 @@ class ActivityStarter {
             // If the caller is starting a new voice session, just make sure the target
             // is actually allowing it to run this way.
             try {
-                if (!mPackageManager.activitySupportsIntent(intent.getComponent(),
+                if (!mService.getPackageManager().activitySupportsIntent(intent.getComponent(),
                         intent, resolvedType)) {
                     Slog.w(TAG,
                             "Activity being started in new voice task does not support: "
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
index f9933fb63f122..bc503c49a99a8 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
@@ -95,8 +95,7 @@ public class ActivityStarterTests extends ActivityTestsBase {
     public void setUp() throws Exception {
         super.setUp();
         mService = createActivityManagerService();
-        mPackageManager = mock(IPackageManager.class);
-        mStarter = new ActivityStarter(mService, mPackageManager);
+        mStarter = new ActivityStarter(mService);
     }
 
     @Test
@@ -178,7 +177,7 @@ public class ActivityStarterTests extends ActivityTestsBase {
             int expectedResult) {
         final ActivityManagerService service = createActivityManagerService();
         final IPackageManager packageManager = mock(IPackageManager.class);
-        final ActivityStarter starter = new ActivityStarter(service, packageManager);
+        final ActivityStarter starter = new ActivityStarter(service);
 
         final IApplicationThread caller = mock(IApplicationThread.class);
 
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java b/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
index 9c949ad348441..9683e229d50f7 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
@@ -36,6 +36,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.IPackageManager;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.hardware.display.DisplayManager;
@@ -90,6 +91,7 @@ public class ActivityTestsBase {
 
     protected ActivityManagerService setupActivityManagerService(ActivityManagerService service) {
         service = spy(service);
+        doReturn(mock(IPackageManager.class)).when(service).getPackageManager();
         service.mWindowManager = prepareMockWindowManager();
         return service;
     }