[ReEPwdSave] Unexpire and prolong RecoverFromNeverSaveAndroid

Bug: 1044930
Change-Id: Ia52660f3bab6dfe405fd0d77e6147d402a4196c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593001Reviewed-by: Friedrich [CET] <fhorschig@chromium.org>
Commit-Queue: Ioana Pandele <ioanap@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837573}

chrome/browser/flag-metadata.json

@@ -4134,7 +4134,7 @@
   {
     "name": "recover-from-never-save-android",
     "owners": [ "ioanap" ],
-    "expiry_milestone": 88
+    "expiry_milestone": 90
   },
   {
     "name": "reduce-display-notifications",