Switch runtime flag ReportEventTimingAtVisibilityChange to stable

This is to launch feature ReportEventTimingAtVisibilityChange.
This CL does
1, add changelog.
2, switch runtime flag.
3, delete fieldtrial test config.

Bug: 374793631, 40879225
Change-Id: Idab9c88738b48c7d676b06b2ca0fb853e3794506
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5958769
Reviewed-by: Xianzhu Wang <[email protected]>
Commit-Queue: Hao Liu <[email protected]>
Reviewed-by: Michal Mocny <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1373456}
diff --git a/docs/speed/metrics_changelog/inp.md b/docs/speed/metrics_changelog/inp.md
index 47e137ee..843293b 100644
--- a/docs/speed/metrics_changelog/inp.md
+++ b/docs/speed/metrics_changelog/inp.md
@@ -2,6 +2,9 @@
 
 This is a list of changes to [Interaction to Next Paint](https://web.dev/inp).
 
+
+* Chrome 130
+  * Launch feature: [Enable ReportEventTimingAtVisibilityChange by default](2024_10_inp.md)
 * Chrome 129
   * Launch feature: [Enable ContinueEventTimingRecordingWhenBufferIsFull by default](2024_09_inp.md)
 * Chrome 128