AU: Resume interrupted update attempts.

BUG=7390,7520
TEST=unit tests

Change-Id: I9baf72aa444dd855409f865f03fb665e91f8d03d

Review URL: http://codereview.chromium.org/3620013
diff --git a/omaha_response_handler_action.cc b/omaha_response_handler_action.cc
index d3142a7..5159733 100644
--- a/omaha_response_handler_action.cc
+++ b/omaha_response_handler_action.cc
@@ -32,7 +32,7 @@
   install_plan_.is_resume =
       DeltaPerformer::CanResumeUpdate(prefs_, response.hash);
   if (!install_plan_.is_resume) {
-    LOG_IF(WARNING, !DeltaPerformer::ResetUpdateProgress(prefs_))
+    LOG_IF(WARNING, !DeltaPerformer::ResetUpdateProgress(prefs_, false))
         << "Unable to reset the update progress.";
     LOG_IF(WARNING, !prefs_->SetString(kPrefsUpdateCheckResponseHash,
                                        response.hash))