When restore from backup, disable sync to Google Drive.

MyTracks/res/values/keys.xml

@@ -35,7 +35,6 @@ limitations under the License.
   <string name="default_activity_key">defaultActivity</string>
   <string name="default_map_public_key">defaultMapPublic</string>
   <string name="default_table_public_key">defaultTablePublic</string>
-  <string name="drive_sync_key">driveSync</string>
   <string name="google_account_key">googleAccount</string>
   <string name="map_type_key">mapType</string>
   <string name="max_recording_distance_key">maxRecordingDistance</string>
@@ -69,6 +68,7 @@ limitations under the License.
   <string name="auto_resume_track_current_retry_key">autoResumeTrackCurrentRetry</string>
   <string name="drive_deleted_list_key">driveDeletedList</string>
   <string name="drive_largest_change_id_key">driveLargestChangeId</string>
+  <string name="drive_sync_key">driveSync</string>
   <string name="recording_track_id_key">recordingTrackId</string>
   <string name="recording_track_paused_key">recordingTrackPaused</string>
   <string name="selected_track_id_key">selectedTrackId</string>

MyTracks/src/com/google/android/apps/mytracks/io/backup/PreferenceBackupHelper.java

@@ -47,6 +47,7 @@ public class PreferenceBackupHelper {
     doNotBackup.add(context.getString(R.string.auto_resume_track_current_retry_key));
     doNotBackup.add(context.getString(R.string.drive_deleted_list_key));
     doNotBackup.add(context.getString(R.string.drive_largest_change_id_key));
+    doNotBackup.add(context.getString(R.string.drive_sync_key));
     doNotBackup.add(context.getString(R.string.recording_track_id_key));
     doNotBackup.add(context.getString(R.string.recording_track_paused_key));
     doNotBackup.add(context.getString(R.string.selected_track_id_key));

MyTracks/src/com/google/android/apps/mytracks/io/backup/RestoreAsyncTask.java

@@ -16,6 +16,8 @@
 
 package com.google.android.apps.mytracks.io.backup;
 
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.os.AsyncTask;
@@ -84,7 +86,11 @@ public class RestoreAsyncTask extends AsyncTask<Void, Integer, Boolean> {
   @Override
   protected Boolean doInBackground(Void... params) {
     try {
+      PreferencesUtils.setBoolean(
+          restoreActivity, R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT);
+      SyncUtils.disableSync(restoreActivity);
       externalFileBackup.restoreFromDate(date);
+      SyncUtils.clearSyncState(restoreActivity);
       messageId = R.string.settings_backup_restore_success;
       return true;
     } catch (IOException e) {