[HaTS][Finch] Update entry for AndroidHatsNext

Update 'AndroidHatsNext' entry in fieldtrial_testing_config.json to account for group EnabledWithInfobars_20210803

Change-Id: I98b8ed37d09a694ed3dea8d6336230cc4943aab8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3072142


Commit-Queue: Aishwarya Rajesh <aishwaryarj@google.com>
Reviewed-by: Wenyu Fu <wenyufu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#908713}