Don't reference RollbackManagerService directly (2/n) am: de4cf91872

Change-Id: Ib4e36f4302ac9ea557283a28328fc04d1ac6d051
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 7263f19..6eaa196 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -144,7 +144,6 @@
 import com.android.server.recoverysystem.RecoverySystemService;
 import com.android.server.restrictions.RestrictionsManagerService;
 import com.android.server.role.RoleManagerService;
-import com.android.server.rollback.RollbackManagerService;
 import com.android.server.security.FileIntegrityService;
 import com.android.server.security.KeyAttestationApplicationIdProviderService;
 import com.android.server.security.KeyChainSystemService;
@@ -288,6 +287,8 @@
             "com.android.server.DeviceIdleController";
     private static final String BLOB_STORE_MANAGER_SERVICE_CLASS =
             "com.android.server.blob.BlobStoreManagerService";
+    private static final String ROLLBACK_MANAGER_SERVICE_CLASS =
+            "com.android.server.rollback.RollbackManagerService";
 
     private static final String TETHERING_CONNECTOR_CLASS = "android.net.ITetheringConnector";
 
@@ -958,7 +959,7 @@
 
         // Manages apk rollbacks.
         t.traceBegin("StartRollbackManagerService");
-        mSystemServiceManager.startService(RollbackManagerService.class);
+        mSystemServiceManager.startService(ROLLBACK_MANAGER_SERVICE_CLASS);
         t.traceEnd();
 
         // Service to capture bugreports.