Enabled AutofillFixFillableFieldTypes in fieldtrial_testing_config.json

Bug: 1080636
Change-Id: Ifde1a1196d214de0e19fd42a0877d500008b958f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2579964Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Dominic Battré <battre@chromium.org>
Cr-Commit-Position: refs/heads/master@{#835794}

testing/variations/fieldtrial_testing_config.json

@@ -747,8 +747,9 @@
             ],
             "experiments": [
                 {
-                    "name": "EnableNewSectioning",
+                    "name": "AllEnabledFeatures",
                     "enable_features": [
+                        "AutofillFixFillableFieldTypes",
                         "AutofillUseNewSectioningMethod"
                     ]
                 }