Also disable inputs.VirtualKeyboardOOBE.stable

BUG=chromium:1115622
TEST=chromeos-betty-arc-r-chrome

Change-Id: I002720f117ca6bad652fe44d42222da4b584ac16
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2488900Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Achuith Bhandarkar <achuith@chromium.org>
Cr-Commit-Position: refs/heads/master@{#819406}

chromeos/BUILD.gn

@@ -285,7 +285,7 @@ if (is_chromeos_device) {
     tast_disabled_tests = [
       # crbug.com/1115622
       "ui.ChromeLoginGAIA",
-      "inputs.VirtualKeyboardOOBE",
+      "inputs.VirtualKeyboardOOBE.stable",
 
       # crbug.com/1097630
       "security.OpenFDs",