Add accessibility string description for auto rotate

Bug: 221191444

Change-Id: Id82aed3dd648c2b116e831488a0c23fa3efe3ee3
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 462c677..29867e5 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2931,6 +2931,8 @@
     <string name="auto_rotate_screen_summary">Automatically adjust the screen orientation when you move your phone between portrait and landscape</string>
     <!-- Accessibility description for auto rotate learn more link [CHAR LIMIT=NONE] -->
     <string name="auto_rotate_link_a11y">Learn more about auto-rotate</string>
+    <!-- Accessibility summary text for auto rotate [CHAR LIMIT=60] -->
+    <string name="auto_rotate_summary_a11y">When you move your phone between portrait and landscape</string>
 
     <!-- Display settings screen, screen resolution settings title [CHAR LIMIT=30] -->
     <string name="screen_resolution_title">Screen resolution</string>