Fix the metadata-available test during restore
diff --git a/services/java/com/android/server/BackupManagerService.java b/services/java/com/android/server/BackupManagerService.java
index 2ae9fc5..80697a1 100644
--- a/services/java/com/android/server/BackupManagerService.java
+++ b/services/java/com/android/server/BackupManagerService.java
@@ -985,8 +985,7 @@
                 // Verify that the backup set includes metadata.  If not, we can't do
                 // signature/version verification etc, so we simply do not proceed with
                 // the restore operation.
-                Metadata pmMeta = pmAgent.getRestoredMetadata(packageName);
-                if (pmMeta == null) {
+                if (!pmAgent.hasMetadata()) {
                     Log.i(TAG, "No restore metadata available, so not restoring settings");
                     return;
                 }
diff --git a/services/java/com/android/server/PackageManagerBackupAgent.java b/services/java/com/android/server/PackageManagerBackupAgent.java
index a1b4c268..786f423 100644
--- a/services/java/com/android/server/PackageManagerBackupAgent.java
+++ b/services/java/com/android/server/PackageManagerBackupAgent.java
@@ -67,6 +67,7 @@
     private final HashSet<String> mExisting = new HashSet<String>();
     private int mStoredSdkVersion;
     private String mStoredIncrementalVersion;
+    private boolean mHasMetadata;
 
     public class Metadata {
         public int versionCode;
@@ -84,6 +85,11 @@
         mPackageManager = packageMgr;
         mAllPackages = packages;
         mRestoredSignatures = null;
+        mHasMetadata = false;
+    }
+
+    public boolean hasMetadata() {
+        return mHasMetadata;
     }
 
     public Metadata getRestoredMetadata(String packageName) {
@@ -259,6 +265,7 @@
                 }
                 mStoredSdkVersion = storedSdkVersion;
                 mStoredIncrementalVersion = in.readUTF();
+                mHasMetadata = true;
                 // !!! TODO: remove this debugging output
                 if (DEBUG) {
                     Log.i(TAG, "Restore set version " + storedSystemVersion