oobe: add more screen states to debug overlay

Bug: 1073095
Change-Id: I1fb8dc3865279f34be2fbb7bc7012dfb0e12d456
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2262953
Auto-Submit: Denis Kuznetsov [CET] <antrim@chromium.org>
Reviewed-by: Renato Silva <rrsilva@google.com>
Commit-Queue: Denis Kuznetsov [CET] <antrim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#781787}

chrome/browser/resources/chromeos/login/oobe_reset.js

@@ -173,6 +173,14 @@ Polymer({
     this.$.resetDialog.focus();
   },
 
+  reset() {
+    this.screenState_ = RESET_SCREEN_STATE.RESTART_REQUIRED;
+    this.thispowerwashMode_ = POWERWASH_MODE.POWERWASH_ONLY;
+    this.tpmUpdateAvailable_ = false;
+    this.isRollbackAvailable_ = false;
+    this.isRollbackRequested_ = false;
+  },
+
   /* ---------- EXTERNAL API BEGIN ---------- */
   /** @param {boolean} rollbackAvailable  */
   setIsRollbackAvailable(rollbackAvailable) {