Merge change 4456 into donut

* changes:
  Replace the stub GoogleTransport with callout to the GoogleTransportService (which lives in vendor/google). Use the Google transport by default. Also, fix a bug: Thread.run() != Thread.start()

core/java/com/android/internal/backup/GoogleTransport.java

@@ -1,50 +0,0 @@
-package com.android.internal.backup;
-
-import android.backup.RestoreSet;
-import android.content.pm.PackageInfo;
-import android.os.ParcelFileDescriptor;
-import android.os.RemoteException;
-
-/**
- * Backup transport for saving data to Google cloud storage.
- */
-
-public class GoogleTransport extends IBackupTransport.Stub {
-
-    public long requestBackupTime() throws RemoteException {
-        return 0;       // !!! TODO: implement real backoff policy
-    }
-
-    public int startSession() throws RemoteException {
-        // TODO Auto-generated method stub
-        return 0;
-    }
-
-    public int endSession() throws RemoteException {
-        // TODO Auto-generated method stub
-        return 0;
-    }
-
-    public int performBackup(PackageInfo packageInfo, ParcelFileDescriptor data)
-            throws RemoteException {
-        // TODO Auto-generated method stub
-        return 0;
-    }
-
-    // Restore handling
-    public RestoreSet[] getAvailableRestoreSets() throws android.os.RemoteException {
-        // !!! TODO: real implementation
-        return null;
-    }
-
-    public PackageInfo[] getAppSet(int token) throws android.os.RemoteException {
-        // !!! TODO: real implementation
-        return new PackageInfo[0];
-    }
-
-    public int getRestoreData(int token, PackageInfo packageInfo, ParcelFileDescriptor data)
-            throws android.os.RemoteException {
-        // !!! TODO: real implementation
-        return 0;
-    }
-}