Expose getDeviceOwnerComponent to SystemServer.

This is needed for newly proposed Retail Demo role.

Security approved for design: go/retail-demo-role-fr
BUG: 274132354
Test: manual

Change-Id: Ibadfad8baa25df9eb79a1cf0ac4167c58471d056

core/java/android/app/admin/DevicePolicyManagerInternal.java

@@ -249,6 +249,16 @@ public abstract class DevicePolicyManagerInternal {
     @Nullable
     public abstract ComponentName getProfileOwnerAsUser(@UserIdInt int userId);
 
+    /**
+     * Returns the device owner component for the device, or {@code null} if there is not one.
+     *
+     * @deprecated added temporarily to support Android Role permission granting.
+     * Please contact Android Enterprise Device Policy team before calling this function.
+     */
+    @Deprecated
+    @Nullable
+    public abstract ComponentName getDeviceOwnerComponent(boolean callingUserOnly);
+
     /**
      * Returns the user id of the device owner, or {@link UserHandle#USER_NULL} if there is not one.
      */

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

@@ -16228,6 +16228,11 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
             return DevicePolicyManagerService.this.getProfileOwnerAsUser(userId);
         }
 
+        @Override
+        public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) {
+            return DevicePolicyManagerService.this.getDeviceOwnerComponent(callingUserOnly);
+        }
+
         @Override
         public int getDeviceOwnerUserId() {
             return DevicePolicyManagerService.this.getDeviceOwnerUserId();