[Passwords] Extend Flags Expiration Date

TBR=ioanap

Change-Id: I23175afe330f6d869101fb65c76e9175752f4c8c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2064992Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743033}

chrome/browser/flag-metadata.json

@@ -2275,7 +2275,7 @@
   {
     "name": "fill-on-account-select",
     "owners": [ "jdoerrie" ],
-    "expiry_milestone": 82
+    "expiry_milestone": 87
   },
   {
     "name": "focus-mode",
@@ -2397,7 +2397,7 @@
   {
     "name": "google-password-manager",
     "owners": [ "ioanap", "jdoerrie" ],
-    "expiry_milestone": 82
+    "expiry_milestone": 87
   },
   {
     "name": "handwriting-gesture",
@@ -3569,7 +3569,7 @@
   {
     "name": "touch-to-fill",
     "owners": [ "jdoerrie" ],
-    "expiry_milestone": 82
+    "expiry_milestone": 87
   },
   {
     "name": "touchpad-overscroll-history-navigation",