Update accessibility settings layout

Accessibility settings category restructure
1: Rename Screen readers into sScreen reader (only Talkback in this
category)

Bug: 174829936
Test: manual test
Change-Id: I70eca98428e9ad810803a8776c37fed34c5ade3a
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e023c70..fc02f44 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5188,7 +5188,7 @@
     <!-- Label for suggested action which will allow the user to change the font size and other accessibility settings. [CHAR LIMIT=40] -->
     <string name="vision_settings_suggestion_title">Change font size</string>
     <!-- Title for the accessibility preference category of screen reader services and settings. [CHAR LIMIT=50] -->
-    <string name="screen_reader_category_title">Screen readers</string>
+    <string name="screen_reader_category_title">Screen reader</string>
     <!-- Title for the accessibility preference category of caption services and settings. [CHAR LIMIT=50] -->
     <string name="captions_category_title">Captions</string>
     <!-- Title for the accessibility preference category of audio services and settings. [CHAR LIMIT=50] -->