Revert "Persist implicit overlay configurator actor policy"

This reverts commit af93f5de66f09797345d2171306c9de2951bf85c.

The overlays.xml file version should not be reverted to 3.
Increasing the version caused b/158054824 so for devices that have not
upgraded to version 4, do not ignore a version 3 overlay file when
restoring settings. In a future change, we must create testing so that
version upgrades always migrate old overlays.xml files to new
overlays.xml files.

Bug: 157266239
Bug: 158054824
Change-Id: I3f8c49d30a1961a756bbed9b2ab01aeb1f887e55
diff --git a/cmds/idmap2/libidmap2/ResourceMapping.cpp b/cmds/idmap2/libidmap2/ResourceMapping.cpp
index 44acbca..f82c8f1 100644
--- a/cmds/idmap2/libidmap2/ResourceMapping.cpp
+++ b/cmds/idmap2/libidmap2/ResourceMapping.cpp
@@ -61,8 +61,7 @@
                               const ResourceId& target_resource) {
   static constexpr const PolicyBitmask sDefaultPolicies =
       PolicyFlags::ODM_PARTITION | PolicyFlags::OEM_PARTITION | PolicyFlags::SYSTEM_PARTITION |
-      PolicyFlags::VENDOR_PARTITION | PolicyFlags::PRODUCT_PARTITION | PolicyFlags::SIGNATURE |
-      PolicyFlags::ACTOR_SIGNATURE;
+      PolicyFlags::VENDOR_PARTITION | PolicyFlags::PRODUCT_PARTITION | PolicyFlags::SIGNATURE;
 
   // If the resource does not have an overlayable definition, allow the resource to be overlaid if
   // the overlay is preinstalled or signed with the same signature as the target.
diff --git a/cmds/idmap2/tests/ResourceMappingTests.cpp b/cmds/idmap2/tests/ResourceMappingTests.cpp
index 5754eaf..de039f4 100644
--- a/cmds/idmap2/tests/ResourceMappingTests.cpp
+++ b/cmds/idmap2/tests/ResourceMappingTests.cpp
@@ -287,26 +287,66 @@
                               R::overlay::string::str4, false /* rewrite */));
 }
 
-
-// Overlays that are pre-installed or are signed with the same signature as the target/actor can
+// Overlays that are neither pre-installed nor signed with the same signature as the target cannot
 // overlay packages that have not defined overlayable resources.
-TEST(ResourceMappingTests, ResourcesFromApkAssetsDefaultPolicies) {
-  constexpr PolicyBitmask kDefaultPolicies =
-      PolicyFlags::SIGNATURE | PolicyFlags::ACTOR_SIGNATURE | PolicyFlags::PRODUCT_PARTITION |
-      PolicyFlags::SYSTEM_PARTITION | PolicyFlags::VENDOR_PARTITION | PolicyFlags::ODM_PARTITION |
-      PolicyFlags::OEM_PARTITION;
+TEST(ResourceMappingTests, ResourcesFromApkAssetsDefaultPoliciesPublicFail) {
+  auto resources = TestGetResourceMapping("/target/target-no-overlayable.apk",
+                                          "/overlay/overlay-no-name.apk", PolicyFlags::PUBLIC,
+                                          /* enforce_overlayable */ true);
 
-  for (PolicyBitmask policy = 1U << (sizeof(PolicyBitmask) * 8 - 1); policy > 0;
-       policy = policy >> 1U) {
+  ASSERT_TRUE(resources) << resources.GetErrorMessage();
+  ASSERT_EQ(resources->GetTargetToOverlayMap().size(), 0U);
+}
+
+// Overlays that are pre-installed or are signed with the same signature as the target can overlay
+// packages that have not defined overlayable resources.
+TEST(ResourceMappingTests, ResourcesFromApkAssetsDefaultPolicies) {
+  auto CheckEntries = [&](const PolicyBitmask& fulfilled_policies) -> void {
     auto resources = TestGetResourceMapping("/target/target-no-overlayable.apk",
                                             "/system-overlay-invalid/system-overlay-invalid.apk",
-                                            policy, /* enforce_overlayable */ true);
-    ASSERT_TRUE(resources) << resources.GetErrorMessage();
+                                            fulfilled_policies,
+                                            /* enforce_overlayable */ true);
 
-    const size_t expected_overlaid = (policy & kDefaultPolicies) != 0 ? 10U : 0U;
-    ASSERT_EQ(expected_overlaid, resources->GetTargetToOverlayMap().size())
-        << "Incorrect number of resources overlaid through policy " << policy;
-  }
+    ASSERT_TRUE(resources) << resources.GetErrorMessage();
+    auto& res = *resources;
+    ASSERT_EQ(resources->GetTargetToOverlayMap().size(), 10U);
+    ASSERT_RESULT(MappingExists(res, R::target::string::not_overlayable, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::not_overlayable,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::other, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::other, false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_actor, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_actor,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_odm, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_odm,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_oem, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_oem,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_product, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_product,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_public, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_public,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_signature, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_signature,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(res, R::target::string::policy_system, Res_value::TYPE_REFERENCE,
+                                R::system_overlay_invalid::string::policy_system,
+                                false /* rewrite */));
+    ASSERT_RESULT(MappingExists(
+        res, R::target::string::policy_system_vendor, Res_value::TYPE_REFERENCE,
+        R::system_overlay_invalid::string::policy_system_vendor, false /* rewrite */));
+  };
+
+  CheckEntries(PolicyFlags::SIGNATURE);
+  CheckEntries(PolicyFlags::PRODUCT_PARTITION);
+  CheckEntries(PolicyFlags::SYSTEM_PARTITION);
+  CheckEntries(PolicyFlags::VENDOR_PARTITION);
+  CheckEntries(PolicyFlags::ODM_PARTITION);
+  CheckEntries(PolicyFlags::OEM_PARTITION);
 }
 
 }  // namespace android::idmap2
diff --git a/services/core/java/com/android/server/om/IdmapManager.java b/services/core/java/com/android/server/om/IdmapManager.java
index 59735eb..735d669 100644
--- a/services/core/java/com/android/server/om/IdmapManager.java
+++ b/services/core/java/com/android/server/om/IdmapManager.java
@@ -29,15 +29,18 @@
 import android.os.SystemProperties;
 import android.util.Slog;
 
+import com.android.internal.util.ArrayUtils;
+
 import java.io.IOException;
 
 /**
  * Handle the creation and deletion of idmap files.
  *
- * The actual work is performed by idmap2d.
- * @see IdmapDaemon
+ * The actual work is performed by the idmap binary, launched through idmap2d.
+ *
+ * Note: this class is subclassed in the OMS unit tests, and hence not marked as final.
  */
-final class IdmapManager {
+class IdmapManager {
     private static final boolean VENDOR_IS_Q_OR_LATER;
     static {
         final String value = SystemProperties.get("ro.vndk.version", "29");
@@ -54,10 +57,14 @@
 
     private final IdmapDaemon mIdmapDaemon;
     private final OverlayableInfoCallback mOverlayableCallback;
+    private final String mOverlayableConfigurator;
+    private final String[] mOverlayableConfiguratorTargets;
 
     IdmapManager(final IdmapDaemon idmapDaemon, final OverlayableInfoCallback verifyCallback) {
         mOverlayableCallback = verifyCallback;
         mIdmapDaemon = idmapDaemon;
+        mOverlayableConfigurator = verifyCallback.getOverlayableConfigurator();
+        mOverlayableConfiguratorTargets = verifyCallback.getOverlayableConfiguratorTargets() ;
     }
 
     /**
@@ -65,7 +72,7 @@
      * modified.
      */
     boolean createIdmap(@NonNull final PackageInfo targetPackage,
-            @NonNull final PackageInfo overlayPackage, int additionalPolicies, int userId) {
+            @NonNull final PackageInfo overlayPackage, int userId) {
         if (DEBUG) {
             Slog.d(TAG, "create idmap for " + targetPackage.packageName + " and "
                     + overlayPackage.packageName);
@@ -73,14 +80,13 @@
         final String targetPath = targetPackage.applicationInfo.getBaseCodePath();
         final String overlayPath = overlayPackage.applicationInfo.getBaseCodePath();
         try {
+            int policies = calculateFulfilledPolicies(targetPackage, overlayPackage, userId);
             boolean enforce = enforceOverlayable(overlayPackage);
-            int policies = calculateFulfilledPolicies(targetPackage, overlayPackage, userId)
-                    | additionalPolicies;
             if (mIdmapDaemon.verifyIdmap(targetPath, overlayPath, policies, enforce, userId)) {
                 return false;
             }
-            return mIdmapDaemon.createIdmap(targetPath, overlayPath, policies, enforce, userId)
-                    != null;
+            return mIdmapDaemon.createIdmap(targetPath, overlayPath, policies,
+                    enforce, userId) != null;
         } catch (Exception e) {
             Slog.w(TAG, "failed to generate idmap for " + targetPath + " and "
                     + overlayPath + ": " + e.getMessage());
@@ -184,6 +190,14 @@
         String targetOverlayableName = overlayPackage.targetOverlayableName;
         if (targetOverlayableName != null) {
             try {
+                if (!mOverlayableConfigurator.isEmpty()
+                        && ArrayUtils.contains(mOverlayableConfiguratorTargets,
+                                targetPackage.packageName)
+                        && mOverlayableCallback.signaturesMatching(mOverlayableConfigurator,
+                                overlayPackage.packageName, userId)) {
+                    return true;
+                }
+
                 OverlayableInfo overlayableInfo = mOverlayableCallback.getOverlayableForTarget(
                         targetPackage.packageName, targetOverlayableName, userId);
                 if (overlayableInfo != null && overlayableInfo.actor != null) {
diff --git a/services/core/java/com/android/server/om/OverlayManagerService.java b/services/core/java/com/android/server/om/OverlayManagerService.java
index 3c5e476..086ab81 100644
--- a/services/core/java/com/android/server/om/OverlayManagerService.java
+++ b/services/core/java/com/android/server/om/OverlayManagerService.java
@@ -252,8 +252,7 @@
             mSettings = new OverlayManagerSettings();
             mImpl = new OverlayManagerServiceImpl(mPackageManager, im, mSettings,
                     OverlayConfig.getSystemInstance(), getDefaultOverlayPackages(),
-                    new OverlayChangeListener(), getOverlayableConfigurator(),
-                    getOverlayableConfiguratorTargets());
+                    new OverlayChangeListener());
             mActorEnforcer = new OverlayActorEnforcer(mPackageManager);
 
             final IntentFilter packageFilter = new IntentFilter();
@@ -336,28 +335,6 @@
         return defaultPackages.toArray(new String[defaultPackages.size()]);
     }
 
-
-    /**
-     * Retrieves the package name that is recognized as an actor for the packages specified by
-     * {@link #getOverlayableConfiguratorTargets()}.
-     */
-    @Nullable
-    private String getOverlayableConfigurator() {
-        return TextUtils.nullIfEmpty(Resources.getSystem()
-                .getString(R.string.config_overlayableConfigurator));
-    }
-
-    /**
-     * Retrieves the target packages that recognize the {@link #getOverlayableConfigurator} as an
-     * actor for itself. Overlays targeting one of the specified targets that are signed with the
-     * same signature as the overlayable configurator will be granted the "actor" policy.
-     */
-    @Nullable
-    private String[] getOverlayableConfiguratorTargets() {
-        return Resources.getSystem().getStringArray(
-                R.array.config_overlayableConfiguratorTargets);
-    }
-
     private final class PackageReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(@NonNull final Context context, @NonNull final Intent intent) {
@@ -1144,6 +1121,17 @@
         }
 
         @Override
+        public String getOverlayableConfigurator() {
+            return Resources.getSystem().getString(R.string.config_overlayableConfigurator);
+        }
+
+        @Override
+        public String[] getOverlayableConfiguratorTargets() {
+            return Resources.getSystem().getStringArray(
+                    R.array.config_overlayableConfiguratorTargets);
+        }
+
+        @Override
         public List<PackageInfo> getOverlayPackages(final int userId) {
             final List<PackageInfo> overlays = mPackageManagerInternal.getOverlayPackages(userId);
             for (final PackageInfo info : overlays) {
diff --git a/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java b/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
index 879ad4f..05a4a38 100644
--- a/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
+++ b/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
@@ -31,7 +31,6 @@
 import android.content.om.OverlayInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
-import android.os.OverlayablePolicy;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
@@ -74,9 +73,6 @@
     private final String[] mDefaultOverlays;
     private final OverlayChangeListener mListener;
 
-    private final String mOverlayableConfigurator;
-    private final String[] mOverlayableConfiguratorTargets;
-
     /**
      * Helper method to merge the overlay manager's (as read from overlays.xml)
      * and package manager's (as parsed from AndroidManifest.xml files) views
@@ -119,17 +115,13 @@
             @NonNull final OverlayManagerSettings settings,
             @NonNull final OverlayConfig overlayConfig,
             @NonNull final String[] defaultOverlays,
-            @NonNull final OverlayChangeListener listener,
-            @Nullable final String overlayableConfigurator,
-            @Nullable final String[] overlayableConfiguratorTargets) {
+            @NonNull final OverlayChangeListener listener) {
         mPackageManager = packageManager;
         mIdmapManager = idmapManager;
         mSettings = settings;
         mOverlayConfig = overlayConfig;
         mDefaultOverlays = defaultOverlays;
         mListener = listener;
-        mOverlayableConfigurator = overlayableConfigurator;
-        mOverlayableConfiguratorTargets = overlayableConfiguratorTargets;
     }
 
     /**
@@ -714,25 +706,7 @@
         if (targetPackage != null && overlayPackage != null
                 && !("android".equals(targetPackageName)
                     && !isPackageConfiguredMutable(overlayPackageName))) {
-
-            int additionalPolicies = 0;
-            if (TextUtils.nullIfEmpty(mOverlayableConfigurator) != null
-                    && ArrayUtils.contains(mOverlayableConfiguratorTargets, targetPackageName)
-                    && isPackageConfiguredMutable(overlayPackageName)
-                    && mPackageManager.signaturesMatching(mOverlayableConfigurator,
-                            overlayPackageName, userId)) {
-                // The overlay targets a package that has the overlayable configurator configured as
-                // its actor. The overlay and this actor are signed with the same signature, so
-                // the overlay fulfills the actor policy.
-                modified |= mSettings.setHasConfiguratorActorPolicy(overlayPackageName, userId,
-                        true);
-                additionalPolicies |= OverlayablePolicy.ACTOR_SIGNATURE;
-            } else if (mSettings.hasConfiguratorActorPolicy(overlayPackageName, userId)) {
-                additionalPolicies |= OverlayablePolicy.ACTOR_SIGNATURE;
-            }
-
-            modified |= mIdmapManager.createIdmap(targetPackage, overlayPackage, additionalPolicies,
-                    userId);
+            modified |= mIdmapManager.createIdmap(targetPackage, overlayPackage, userId);
         }
 
         if (overlayPackage != null) {
diff --git a/services/core/java/com/android/server/om/OverlayManagerSettings.java b/services/core/java/com/android/server/om/OverlayManagerSettings.java
index f8226fa..3d520bf 100644
--- a/services/core/java/com/android/server/om/OverlayManagerSettings.java
+++ b/services/core/java/com/android/server/om/OverlayManagerSettings.java
@@ -73,7 +73,7 @@
         remove(packageName, userId);
         insert(new SettingsItem(packageName, userId, targetPackageName, targetOverlayableName,
                 baseCodePath, OverlayInfo.STATE_UNKNOWN, isEnabled, isMutable, priority,
-                overlayCategory, false /* hasConfiguratorActorPolicy */));
+                overlayCategory));
     }
 
     /**
@@ -160,26 +160,6 @@
         return mItems.get(idx).setState(state);
     }
 
-    boolean hasConfiguratorActorPolicy(@NonNull final String packageName, final int userId) {
-        final int idx = select(packageName, userId);
-        if (idx < 0) {
-            throw new BadKeyException(packageName, userId);
-        }
-        return mItems.get(idx).hasConfiguratorActorPolicy();
-    }
-
-    /**
-     * Returns true if the settings were modified, false if they remain the same.
-     */
-    boolean setHasConfiguratorActorPolicy(@NonNull final String packageName, final int userId,
-            boolean hasPolicy) {
-        final int idx = select(packageName, userId);
-        if (idx < 0) {
-            throw new BadKeyException(packageName, userId);
-        }
-        return mItems.get(idx).setHasConfiguratorActorPolicy(hasPolicy);
-    }
-
     List<OverlayInfo> getOverlaysForTarget(@NonNull final String targetPackageName,
             final int userId) {
         // Immutable RROs targeting "android" are loaded from AssetManager, and so they should be
@@ -343,17 +323,16 @@
         pw.println(item.mPackageName + ":" + item.getUserId() + " {");
         pw.increaseIndent();
 
-        pw.println("mPackageName................: " + item.mPackageName);
-        pw.println("mUserId.....................: " + item.getUserId());
-        pw.println("mTargetPackageName..........: " + item.getTargetPackageName());
-        pw.println("mTargetOverlayableName......: " + item.getTargetOverlayableName());
-        pw.println("mBaseCodePath...............: " + item.getBaseCodePath());
-        pw.println("mState......................: " + OverlayInfo.stateToString(item.getState()));
-        pw.println("mIsEnabled..................: " + item.isEnabled());
-        pw.println("mIsMutable..................: " + item.isMutable());
-        pw.println("mPriority...................: " + item.mPriority);
-        pw.println("mCategory...................: " + item.mCategory);
-        pw.println("mHasConfiguratorActorPolicy.: " + item.hasConfiguratorActorPolicy());
+        pw.println("mPackageName...........: " + item.mPackageName);
+        pw.println("mUserId................: " + item.getUserId());
+        pw.println("mTargetPackageName.....: " + item.getTargetPackageName());
+        pw.println("mTargetOverlayableName.: " + item.getTargetOverlayableName());
+        pw.println("mBaseCodePath..........: " + item.getBaseCodePath());
+        pw.println("mState.................: " + OverlayInfo.stateToString(item.getState()));
+        pw.println("mIsEnabled.............: " + item.isEnabled());
+        pw.println("mIsMutable.............: " + item.isMutable());
+        pw.println("mPriority..............: " + item.mPriority);
+        pw.println("mCategory..............: " + item.mCategory);
 
         pw.decreaseIndent();
         pw.println("}");
@@ -392,9 +371,6 @@
             case "category":
                 pw.println(item.mCategory);
                 break;
-            case "hasconfiguratoractorpolicy":
-                pw.println(item.mHasConfiguratorActorPolicy);
-                break;
         }
     }
 
@@ -422,8 +398,6 @@
         private static final String ATTR_CATEGORY = "category";
         private static final String ATTR_USER_ID = "userId";
         private static final String ATTR_VERSION = "version";
-        private static final String ATTR_HAS_CONFIGURATOR_ACTOR_POLICY =
-                "hasConfiguratorActorPolicy";
 
         @VisibleForTesting
         static final int CURRENT_VERSION = 4;
@@ -461,6 +435,10 @@
                     // Throw an exception which will cause the overlay file to be ignored
                     // and overwritten.
                     throw new XmlPullParserException("old version " + oldVersion + "; ignoring");
+                case 3:
+                    // Upgrading from version 3 to 4 is not a breaking change so do not ignore the
+                    // overlay file.
+                    return;
                 default:
                     throw new XmlPullParserException("unrecognized version " + oldVersion);
             }
@@ -480,12 +458,9 @@
             final boolean isStatic = XmlUtils.readBooleanAttribute(parser, ATTR_IS_STATIC);
             final int priority = XmlUtils.readIntAttribute(parser, ATTR_PRIORITY);
             final String category = XmlUtils.readStringAttribute(parser, ATTR_CATEGORY);
-            final boolean hasConfiguratorActorPolicy = XmlUtils.readBooleanAttribute(parser,
-                    ATTR_HAS_CONFIGURATOR_ACTOR_POLICY);
 
             return new SettingsItem(packageName, userId, targetPackageName, targetOverlayableName,
-                    baseCodePath, state, isEnabled, !isStatic, priority, category,
-                    hasConfiguratorActorPolicy);
+                    baseCodePath, state, isEnabled, !isStatic, priority, category);
         }
 
         public static void persist(@NonNull final ArrayList<SettingsItem> table,
@@ -520,8 +495,6 @@
             XmlUtils.writeBooleanAttribute(xml, ATTR_IS_STATIC, !item.mIsMutable);
             XmlUtils.writeIntAttribute(xml, ATTR_PRIORITY, item.mPriority);
             XmlUtils.writeStringAttribute(xml, ATTR_CATEGORY, item.mCategory);
-            XmlUtils.writeBooleanAttribute(xml, ATTR_HAS_CONFIGURATOR_ACTOR_POLICY,
-                    item.mHasConfiguratorActorPolicy);
             xml.endTag(null, TAG_ITEM);
         }
     }
@@ -538,14 +511,12 @@
         private boolean mIsMutable;
         private int mPriority;
         private String mCategory;
-        private boolean mHasConfiguratorActorPolicy;
 
         SettingsItem(@NonNull final String packageName, final int userId,
                 @NonNull final String targetPackageName,
                 @Nullable final String targetOverlayableName, @NonNull final String baseCodePath,
                 final @OverlayInfo.State int state, final boolean isEnabled,
-                final boolean isMutable, final int priority,  @Nullable String category,
-                final boolean hasConfiguratorActorPolicy) {
+                final boolean isMutable, final int priority,  @Nullable String category) {
             mPackageName = packageName;
             mUserId = userId;
             mTargetPackageName = targetPackageName;
@@ -557,7 +528,6 @@
             mCache = null;
             mIsMutable = isMutable;
             mPriority = priority;
-            mHasConfiguratorActorPolicy = hasConfiguratorActorPolicy;
         }
 
         private String getTargetPackageName() {
@@ -648,18 +618,6 @@
         private int getPriority() {
             return mPriority;
         }
-
-        private boolean hasConfiguratorActorPolicy() {
-            return mHasConfiguratorActorPolicy;
-        }
-
-        private boolean setHasConfiguratorActorPolicy(boolean hasPolicy) {
-            if (mHasConfiguratorActorPolicy != hasPolicy) {
-                mHasConfiguratorActorPolicy = hasPolicy;
-                return true;
-            }
-            return false;
-        }
     }
 
     private int select(@NonNull final String packageName, final int userId) {
diff --git a/services/core/java/com/android/server/om/OverlayableInfoCallback.java b/services/core/java/com/android/server/om/OverlayableInfoCallback.java
index 5066ecd..41c341a 100644
--- a/services/core/java/com/android/server/om/OverlayableInfoCallback.java
+++ b/services/core/java/com/android/server/om/OverlayableInfoCallback.java
@@ -80,4 +80,24 @@
      *     in the system returns {@link PackageManager#SIGNATURE_MATCH}
      */
     boolean signaturesMatching(@NonNull String pkgName1, @NonNull String pkgName2, int userId);
+
+    /**
+     * Retrieves the package name that is recognized as an actor for the packages specified by
+     * {@link #getOverlayableConfiguratorTargets()}.
+     */
+    @NonNull
+    default String getOverlayableConfigurator() {
+        return "";
+    }
+
+    /**
+     * Retrieves the target packages that recognize the {@link #getOverlayableConfigurator} as an
+     * actor for its overlayable declarations. Overlays targeting one of the specified targets that
+     * are signed with the same signature as the overlayable configurator will be granted the
+     * "actor" policy.
+     */
+    @NonNull
+    default String[] getOverlayableConfiguratorTargets() {
+        return new String[0];
+    }
 }
diff --git a/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTests.java b/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTests.java
index 8774ab0..b25af05 100644
--- a/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTests.java
+++ b/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTests.java
@@ -208,134 +208,45 @@
 
     @Test
     public void testConfigurator() {
-        mOverlayableConfigurator = "actor";
-        mOverlayableConfiguratorTargets = new String[]{TARGET};
+        final DummyPackageManagerHelper packageManager = getPackageManager();
+        packageManager.overlayableConfigurator = "actor";
+        packageManager.overlayableConfiguratorTargets = new String[]{TARGET};
         reinitializeImpl();
 
         installNewPackage(target("actor").setCertificate("one"), USER);
-        installNewPackage(target(TARGET).addOverlayable("TestResources").setCertificate("two"),
-                USER);
+        installNewPackage(target(TARGET)
+                .addOverlayable("TestResources")
+                .setCertificate("two"), USER);
 
-        DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET, "TestResources")
+        final DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET, "TestResources")
                 .setCertificate("one");
         installNewPackage(overlay, USER);
 
-        DummyIdmapDaemon.IdmapHeader idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
+        final DummyIdmapDaemon idmapDaemon = getIdmapDaemon();
+        final DummyIdmapDaemon.IdmapHeader idmap = idmapDaemon.getIdmap(overlay.build().apkPath);
         assertNotNull(idmap);
         assertEquals(OverlayablePolicy.ACTOR_SIGNATURE,
                 idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
     }
 
     @Test
-    public void testConfiguratorWithoutOverlayable() {
-        mOverlayableConfigurator = "actor";
-        mOverlayableConfiguratorTargets = new String[]{TARGET};
-        reinitializeImpl();
-
-        installNewPackage(target("actor").setCertificate("one"), USER);
-        installNewPackage(target(TARGET).setCertificate("two"), USER);
-
-        DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET).setCertificate("one");
-        installNewPackage(overlay, USER);
-
-        DummyIdmapDaemon.IdmapHeader idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
-        assertNotNull(idmap);
-        assertEquals(OverlayablePolicy.ACTOR_SIGNATURE,
-                idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
-    }
-
-    @Test
-    public void testConfiguratorDifferentTargets() {
-        // The target package is not listed in the configurator target list, so the actor policy
-        // should not be granted.
-        mOverlayableConfigurator = "actor";
-        mOverlayableConfiguratorTargets = new String[]{"somethingElse"};
-        reinitializeImpl();
-
-        installNewPackage(target("actor").setCertificate("one"), USER);
-        installNewPackage(target(TARGET).setCertificate("two"), USER);
-
-        DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET).setCertificate("one");
-        installNewPackage(overlay, USER);
-
-        DummyIdmapDaemon.IdmapHeader idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
-        assertNotNull(idmap);
-        assertEquals(0, idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
-    }
-
-    @Test
     public void testConfiguratorDifferentSignatures() {
-        mOverlayableConfigurator = "actor";
-        mOverlayableConfiguratorTargets = new String[]{TARGET};
+        final DummyPackageManagerHelper packageManager = getPackageManager();
+        packageManager.overlayableConfigurator = "actor";
+        packageManager.overlayableConfiguratorTargets = new String[]{TARGET};
         reinitializeImpl();
 
         installNewPackage(target("actor").setCertificate("one"), USER);
-        installNewPackage(target(TARGET).addOverlayable("TestResources").setCertificate("two"),
-                USER);
+        installNewPackage(target(TARGET)
+                .addOverlayable("TestResources")
+                .setCertificate("two"), USER);
 
-        DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET, "TestResources")
+        final DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET, "TestResources")
                 .setCertificate("two");
         installNewPackage(overlay, USER);
 
-        DummyIdmapDaemon.IdmapHeader idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
-        assertNotNull(idmap);
-        assertEquals(0, idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
-    }
-
-    @Test
-    public void testConfiguratorWithoutOverlayableDifferentSignatures() {
-        mOverlayableConfigurator = "actor";
-        mOverlayableConfiguratorTargets = new String[]{TARGET};
-        reinitializeImpl();
-
-        installNewPackage(target("actor").setCertificate("one"), USER);
-        installNewPackage(target(TARGET).setCertificate("two"), USER);
-
-        DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET).setCertificate("two");
-        installNewPackage(overlay, USER);
-
-        DummyIdmapDaemon.IdmapHeader idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
-        assertNotNull(idmap);
-        assertEquals(0, idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
-    }
-
-    @Test
-    public void testConfiguratorChanges() {
-        mOverlayableConfigurator = "actor";
-        mOverlayableConfiguratorTargets = new String[]{TARGET};
-        reinitializeImpl();
-
-        installNewPackage(target("actor").setCertificate("one"), USER);
-        installNewPackage(target(TARGET).addOverlayable("TestResources").setCertificate("two"),
-                USER);
-
-        DummyDeviceState.PackageBuilder overlay = overlay(OVERLAY, TARGET, "TestResources")
-                .setCertificate("one");
-        installNewPackage(overlay, USER);
-
-        DummyIdmapDaemon.IdmapHeader idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
-        assertNotNull(idmap);
-        assertEquals(OverlayablePolicy.ACTOR_SIGNATURE,
-                idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
-
-        // Change the configurator to a different package. The overlay should still be granted the
-        // actor policy.
-        mOverlayableConfigurator = "differentActor";
-        OverlayManagerServiceImpl impl = reinitializeImpl();
-        impl.updateOverlaysForUser(USER);
-
-        idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
-        assertNotNull(idmap);
-        assertEquals(OverlayablePolicy.ACTOR_SIGNATURE,
-                idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
-
-        // Reset the setting persisting that the overlay once fulfilled the actor policy implicitly
-        // through the configurator. The overlay should lose the actor policy.
-        impl = reinitializeImpl();
-        getSettings().setHasConfiguratorActorPolicy(OVERLAY, USER, false);
-        impl.updateOverlaysForUser(USER);
-
-        idmap = getIdmapDaemon().getIdmap(overlay.build().apkPath);
+        final DummyIdmapDaemon idmapDaemon = getIdmapDaemon();
+        final DummyIdmapDaemon.IdmapHeader idmap = idmapDaemon.getIdmap(overlay.build().apkPath);
         assertNotNull(idmap);
         assertEquals(0, idmap.policies & OverlayablePolicy.ACTOR_SIGNATURE);
     }
diff --git a/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTestsBase.java b/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTestsBase.java
index 52a5890..13c9e6b8 100644
--- a/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/om/OverlayManagerServiceImplTestsBase.java
@@ -42,6 +42,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 /** Base class for creating {@link OverlayManagerServiceImplTests} tests. */
@@ -52,9 +53,6 @@
     private DummyPackageManagerHelper mPackageManager;
     private DummyIdmapDaemon mIdmapDaemon;
     private OverlayConfig mOverlayConfig;
-    private OverlayManagerSettings mSettings;
-    String mOverlayableConfigurator;
-    String[] mOverlayableConfiguratorTargets;
 
     @Before
     public void setUp() {
@@ -62,26 +60,20 @@
         mListener = new DummyListener();
         mPackageManager = new DummyPackageManagerHelper(mState);
         mIdmapDaemon = new DummyIdmapDaemon(mState);
-        mSettings = new OverlayManagerSettings();
         mOverlayConfig = mock(OverlayConfig.class);
         when(mOverlayConfig.getPriority(any())).thenReturn(OverlayConfig.DEFAULT_PRIORITY);
         when(mOverlayConfig.isEnabled(any())).thenReturn(false);
         when(mOverlayConfig.isMutable(any())).thenReturn(true);
-        mOverlayableConfigurator = null;
-        mOverlayableConfiguratorTargets = null;
         reinitializeImpl();
     }
 
-    OverlayManagerServiceImpl reinitializeImpl() {
+    void reinitializeImpl() {
         mImpl = new OverlayManagerServiceImpl(mPackageManager,
                 new IdmapManager(mIdmapDaemon, mPackageManager),
-                mSettings,
+                new OverlayManagerSettings(),
                 mOverlayConfig,
                 new String[0],
-                mListener,
-                mOverlayableConfigurator,
-                mOverlayableConfiguratorTargets);
-        return mImpl;
+                mListener);
     }
 
     OverlayManagerServiceImpl getImpl() {
@@ -92,12 +84,12 @@
         return mListener;
     }
 
-    DummyIdmapDaemon getIdmapDaemon() {
-        return mIdmapDaemon;
+    DummyPackageManagerHelper getPackageManager() {
+        return mPackageManager;
     }
 
-    OverlayManagerSettings getSettings() {
-        return mSettings;
+    DummyIdmapDaemon getIdmapDaemon() {
+        return mIdmapDaemon;
     }
 
     void assertState(@State int expected, final String overlayPackageName, int userId) {
@@ -322,6 +314,8 @@
     static final class DummyPackageManagerHelper implements PackageManagerHelper,
             OverlayableInfoCallback {
         private final DummyDeviceState mState;
+        String[] overlayableConfiguratorTargets = new String[0];
+        String overlayableConfigurator = "";
 
         private DummyPackageManagerHelper(DummyDeviceState state) {
             mState = state;
@@ -393,6 +387,16 @@
         public void enforcePermission(String permission, String message) throws SecurityException {
             throw new UnsupportedOperationException();
         }
+
+        @Override
+        public String[] getOverlayableConfiguratorTargets() {
+            return overlayableConfiguratorTargets;
+        }
+
+        @Override
+        public String getOverlayableConfigurator() {
+            return overlayableConfigurator;
+        }
     }
 
     static class DummyIdmapDaemon extends IdmapDaemon {
diff --git a/services/tests/servicestests/src/com/android/server/om/OverlayManagerSettingsTests.java b/services/tests/servicestests/src/com/android/server/om/OverlayManagerSettingsTests.java
index e2cedb5..146f60a 100644
--- a/services/tests/servicestests/src/com/android/server/om/OverlayManagerSettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/om/OverlayManagerSettingsTests.java
@@ -367,8 +367,7 @@
                 + "      isEnabled='false'\n"
                 + "      category='dummy-category'\n"
                 + "      isStatic='false'\n"
-                + "      priority='0'"
-                + "      hasConfiguratorActorPolicy='true' />\n"
+                + "      priority='0' />\n"
                 + "</overlays>\n";
         ByteArrayInputStream is = new ByteArrayInputStream(xml.getBytes("utf-8"));
 
@@ -381,7 +380,6 @@
         assertEquals(1234, oi.userId);
         assertEquals(STATE_DISABLED, oi.state);
         assertFalse(mSettings.getEnabled("com.dummy.overlay", 1234));
-        assertTrue(mSettings.hasConfiguratorActorPolicy("com.dummy.overlay", 1234));
     }
 
     @Test