docs: Fixed alphabetization on Play Store icons page.

Fixed alphabetization of "Get it on Google Play" section (Afrikans
now correctly comes before Amharic). You can check this at:

http://asolovay.mtv:9053/distribute/tools/promote/badge-files.html

The two bad links (for the "Get it  on Google Play" badges for
Croatian and Hong Kong Chinese) have also been fixed, but to
verify this, you need to go to the live site:

http://developer.android.com/distribute/tools/promote/badge-files.html

bug: 14588953
Change-Id: I71d6ce3c34712ea98e5f9f5cc837c58813dee494

docs/html/distribute/tools/promote/badge-files.jd

@@ -21,9 +21,10 @@ two Google Play badges.</p>
 
        <a href="{@docRoot}downloads/brand/v2/english_get.ai">English (English)</a><br/>
 
+       <a href="{@docRoot}downloads/brand/af_generic_rgb_wo.ai">Afrikaans (Afrikaans)</a><br/>
+
        <a href="{@docRoot}downloads/brand/v2/amharic_get.ai">ኣማርኛ (Amharic)</a><br/>
 
-       <a href="{@docRoot}downloads/brand/af_generic_rgb_wo.ai">Afrikaans (Afrikaans)</a><br/>
 <!--
        <a href="{@docRoot}downloads/brand/ar_generic_rgb_wo.ai">العربية (Arabic)</a><br/>
 -->
@@ -286,6 +287,3 @@ Guidelines</a>.
 <p>To quickly create a badge that links to your apps on Google Play,
 use the <a
 href="{@docRoot}distribute/tools/promote/badges.html">Googe Play badge generator</a>.</p>
-    
-    
-