docs: add note to froyo platform doc that not all locales are included in the sdk image

Change-Id: Icf11a14e0db6eeff535ca51de7a664a4829a35ec

Author: scottamain

docs/html/sdk/android-2.2.jd

@@ -42,7 +42,7 @@ Differences Report &raquo;</a> </li>
 
 <p>Android {@sdkPlatformVersion} is a {@sdkPlatformMajorMinor} platform release including user
 features, developer features, API changes, and bug
-fixes. For  information on developer features and API changes, see the 
+fixes. For  information on developer features and API changes, see the
 <a href="#api">Framework API</a> section.</p>
 
 <p>For developers, the Android {@sdkPlatformVersion} platform is available as a
@@ -62,7 +62,7 @@ first.</p>
 
 <h2 id="features">Platform Highlights</h2>
 
-<p>For a list of new user features and platform highlights, see the <a 
+<p>For a list of new user features and platform highlights, see the <a
 href="http://developer.android.com/sdk/android-2.2-highlights.html">Android
 2.2 Platform Highlights</a> document.</p>
 
@@ -316,8 +316,8 @@ href="{@docRoot}resources/samples/ApiDemos/src/com/example/android/apis/app/Devi
 
 <ul>
   <li> New <code>android:backupAgent</code> attribute of the
-<code>&lt;application&gt;</code> element. Specifies the component name of the 
-BackupAgent subclass provided by the application to handle backup/restore 
+<code>&lt;application&gt;</code> element. Specifies the component name of the
+BackupAgent subclass provided by the application to handle backup/restore
 operations, if any.</li>
   <li> New <code>android:restoreAnyVersion</code> attribute of the
 <code>&lt;application&gt;</code> element. Boolean value that indicates whether
@@ -436,6 +436,11 @@ descriptor).</p>
 <p>Localized UI strings match the locales that are accessible
 through Settings.</p>
 
+<p class="note"><strong>Note:</strong> Android supports more locales than are listed above. However,
+the entire collection of locale strings cannot fit on a single system image, so the above list is
+only what's included in the system image for the SDK. All of Android's supported locales are
+available in the <a href="http://source.android.com/">Android Open Source Project</a>.</p>
+
 <h2 id="skins">Emulator Skins</h2>
 
 <p>The downloadable platform includes a set of emulator skins that you can use