Another tune of TTS reading settings.

Increased fastest speed to 400. Removed 'extreme' from speeds
names.

Bug: 6705453
Change-Id: I1e82544518d06b865e6cac7393a4604eb29b993a

res/values/arrays.xml

@@ -167,10 +167,11 @@
         <item>Slow</item>
         <item>Normal</item>
         <item>Fast</item>
+        <item>Faster</item>
         <item>Very fast</item>
         <item>Rapid</item>
         <item>Very rapid</item>
-        <item>Extreme</item>
+        <item>Fastest</item>
     </string-array>
     <!-- Do not translate. -->
     <string-array name="tts_rate_values">
@@ -182,6 +183,7 @@
         <item>250</item>
         <item>300</item>
         <item>350</item>
+        <item>400</item>
     </string-array>
 
     <!-- Default pitch choices -->