Accessibility tweaks

 Min font size now shows pt value
 Text size replaced with text zoom

Change-Id: Ic5906be094425bc5099a17571868c7a994a6cb86
diff --git a/res/xml/accessibility_preferences.xml b/res/xml/accessibility_preferences.xml
index 6109a64..a7124f4 100644
--- a/res/xml/accessibility_preferences.xml
+++ b/res/xml/accessibility_preferences.xml
@@ -26,19 +26,17 @@
         <com.android.browser.preferences.WebViewPreview
             android:title="@string/preview" />
 
-        <ListPreference
-            android:key="text_size"
-            android:title="@string/pref_text_size"
-            android:defaultValue="NORMAL"
-            android:entries="@array/pref_text_size_choices"
-            android:entryValues="@array/pref_text_size_values"
-            android:dialogTitle="@string/pref_text_size_dialogtitle" />
+        <com.android.browser.preferences.FontSizePreference
+            android:key="text_zoom"
+            android:title="@string/pref_text_zoom"
+            android:defaultValue="10"
+            android:max="30" />
 
         <com.android.browser.preferences.FontSizePreference
             android:key="min_font_size"
             android:title="@string/pref_min_font_size"
             android:defaultValue="0"
-            android:max="18" />
+            android:max="20" />
 
     </PreferenceCategory>