Fix "Open <a11y service> " starts from end for RTL language

Root cause: TextView space uses "wrap_content" to not match the parent width
Solution: Use "match_parent" instead

Bug: 279646115
Test: anual test for RTL and LTR language
Change-Id: If4091958e5ab4323c881732a7b38814dc93db4a1

res/layout/accessibility_launch_activity_preference.xml

@@ -34,7 +34,7 @@
         <TextView
             android:id="@android:id/title"
             android:layout_height="wrap_content"
-            android:layout_width="wrap_content"
+            android:layout_width="match_parent"
             android:layout_gravity="center_vertical"
             android:paddingVertical="@dimen/settingslib_switch_title_margin"
             android:ellipsize="end"