Add new "addedInSdk" attribute to carrier-associated apps.

Previously, the sysconfig wasn't capable of understanding
carrier-associated apps that were added after a device's initial launch
(i.e. via OTA) because the logic in CarrierAppUtils explicitly avoids
disabling such apps a second time.

Most of this change is just plumbing everything through. For now, it's
all @hide due to R API deadlines. It will be made public in S.

Bug: 154872019
Test: manual, QA, atest FrameworksTelephonyTests:CarrierAppUtilsTest
Change-Id: I530a4f73146b09879547ca2e0c26428957fef37a

services/java/com/android/server/SystemConfigService.java

@@ -15,6 +15,9 @@
  */
 package com.android.server;
 
+import static java.util.stream.Collectors.toList;
+import static java.util.stream.Collectors.toMap;
+
 import android.Manifest;
 import android.content.Context;
 import android.os.ISystemConfig;
@@ -45,6 +48,19 @@ public class SystemConfigService extends SystemService {
             mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_CARRIER_APP_INFO,
                     "getDisabledUntilUsedPreInstalledCarrierAssociatedApps requires"
                             + " READ_CARRIER_APP_INFO");
+            return SystemConfig.getInstance()
+                    .getDisabledUntilUsedPreinstalledCarrierAssociatedApps().entrySet().stream()
+                    .collect(toMap(
+                            Map.Entry::getKey,
+                            e -> e.getValue().stream().map(app -> app.packageName)
+                                    .collect(toList())));
+        }
+
+        @Override
+        public Map getDisabledUntilUsedPreinstalledCarrierAssociatedAppEntries() {
+            mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_CARRIER_APP_INFO,
+                    "getDisabledUntilUsedPreInstalledCarrierAssociatedAppEntries requires"
+                            + " READ_CARRIER_APP_INFO");
             return SystemConfig.getInstance()
                     .getDisabledUntilUsedPreinstalledCarrierAssociatedApps();
         }