[pre_freeze] Update field trial config

Bug: 334144248
Change-Id: I9aaac4f38f945769d374b0a4d9799763db7cbc08
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5540335
Commit-Queue: Thiabaud Engelbrecht <thiabaud@google.com>
Reviewed-by: Benoit Lize <lizeb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1301423}
diff --git a/testing/variations/fieldtrial_testing_config.json b/testing/variations/fieldtrial_testing_config.json
index 6f1844e..84c9ff9 100644
--- a/testing/variations/fieldtrial_testing_config.json
+++ b/testing/variations/fieldtrial_testing_config.json
@@ -14744,8 +14744,9 @@
             ],
             "experiments": [
                 {
-                    "name": "Enabled_20240502",
+                    "name": "Both",
                     "enable_features": [
+                        "IsTrimMemoryBackgroundCritical",
                         "OnPreFreezeMemoryTrim"
                     ]
                 }