Post: add telemetry notices and update changelog

components/service/sync-logins/README.md

@@ -2,6 +2,11 @@
 
 A library for integrating with Firefox Sync - Logins.
 
+## Before using this component
+Products sending telemetry and using this component *must request* a data-review following [this process](https://wiki.mozilla.org/Firefox/Data_Collection).
+This component provides data collection using the [Glean SDK](https://mozilla.github.io/glean/book/index.html).
+The list of metrics being collected is available in the [metrics documentation](../../support/sync-telemetry/docs/metrics.md).
+
 ## Motivation
 
 The **Firefox Sync - Logins Component** provides a way for Android applications to do the following:

docs/changelog.md

@@ -18,6 +18,20 @@ permalink: /changelog/
     * `browser-engine-gecko-beta`: GeckoView 72.0
     * `browser-engine-gecko-nightly`: GeckoView 73.0
 
+* **support-telemetry-sync**
+  * Added new telemetry ping, to support password sync: `passwords_sync`.
+
+* **service-firefox-accounts**
+  * 🕵️ **New Telemetry Notice**
+  * Added telemetry for password sync, via the new `passwords_sync` in **support-telemetry-sync**
+
+* **sync-logins**
+  * 🕵️ **New Telemetry Notice**
+  * Added telemetry for password sync, via the new `passwords_sync` in **support-telemetry-sync**
+
+* **samples-sync**
+  * Added support for password synchronization (not reflected in the UI, but demonstrates how to integrate the component).
+
 # 25.0.0
 
 * [Commits](https://github.com/mozilla-mobile/android-components/compare/v24.0.0...v25.0.0)