docs: Migrating icu4j-framework to permanent home

Bug: 30224272
Change-Id: I2d52a686f813d7299918abeb66be0a479ed49b70

docs/html/_redirects.yaml

@@ -1202,8 +1202,8 @@ redirects:
 - from: /r/studio-ui/menu-start.html
   to: /training/index.html?utm_medium=android-studio
 
-# N Preview redirects
-
+- from: /preview/features/icu4j-framework.html
+  to: /guide/topics/resources/icu4j-framework.html
 - from: /preview/features/key-attestation.html
   to: /training/articles/security-key-attestation.html
 - from: /preview/features/security-config.html

docs/html/guide/_book.yaml

@@ -69,6 +69,9 @@ toc:
     path: /guide/topics/resources/runtime-changes.html
   - title: Localization
     path: /guide/topics/resources/localization.html
+    section:
+    - title: ICU4J Android Framework APIs
+      path: /guide/topics/resources/icu4j-framework.html
   - title: Resource Types
     path: /guide/topics/resources/available-resources.html
     section:

docs/html/guide/topics/resources/icu4j-framework.jd

@@ -30,14 +30,16 @@ page.image=images/cards/card-nyc_2x.jpg
 
 <p>
   ICU4J is an open-source, widely used set of Java libraries providing Unicode
-  and globalization support for software applications. Android N
-  exposes a subset of the ICU4J APIs in the Android framework for app developers
+  and globalization support for software applications. Starting in Android 7.0
+  (API level 24), Android
+  exposes a subset of the ICU4J APIs for app developers
   to use under the {@code android.icu} package. These APIs use
   localization data present on the device. As a result, you can reduce your APK
   footprint by not compiling the ICU4J libraries into your APK; instead, you can
   simply call out to them in the framework. (In this case, you may want to provide
   <a href="{@docRoot}google/play/publishing/multiple-apks.html">multiple versions
-  of your APK</a>, so users running versions of Android lower than Android N
+  of your APK</a>, so users running versions of Android lower than
+  Android 7.0 (API level 24)
   can download a version of the app that contains the ICU4J libraries.)
 </p>
 
@@ -51,17 +53,17 @@ page.image=images/cards/card-nyc_2x.jpg
 <h2 id="relation">Relationship to ICU4J</h2>
 
 <p>
-  Android N exposes a subset of the ICU4J APIs via the
+  Android exposes a subset of the ICU4J APIs via the
   <code>android.icu</code> package, rather than <code>com.ibm.icu</code>. The
   Android framework may choose not to
-  expose ICU4J APIs for various reasons; for example, Android N does not expose
+  expose ICU4J APIs for various reasons; for example, Android does not expose
   some deprecated APIs or those that the ICU team have not yet declared as
   stable. As the ICU team deprecates APIs in the future, Android will also mark
   them as deprecated but will continue to include them.
 </p>
 
 <p class="table-caption"><strong>Table 1.</strong> ICU and CLDR versions used
-  in Android N.</p>
+  in Android].</p>
 <table>
 <tr>
 <th>Android API level</th>
@@ -69,7 +71,7 @@ page.image=images/cards/card-nyc_2x.jpg
 <th>CLDR version</th>
 </tr>
 <tr>
-<td>Android N</td>
+<td>Android 7.0 (API level 24)</td>
 <td>56</td>
 <td>28</td>
 </tr>