Set the text of accessibility description in suw to center

Bug: 155509097
Test: manual
Change-Id: I774ec3b58b9ff9ac38d8063a72d309af70708c84
diff --git a/res/layout/preference_multiline_title.xml b/res/layout/preference_multiline_title.xml
index ae93ead..f64b27f 100644
--- a/res/layout/preference_multiline_title.xml
+++ b/res/layout/preference_multiline_title.xml
@@ -36,6 +36,7 @@
             android:layout_height="wrap_content"
             android:textAppearance="@*android:style/TextAppearance.DeviceDefault.Subhead"
             android:textColor="?android:attr/textColorPrimary"
+            android:textAlignment="center"
             android:ellipsize="marquee"
             android:fadingEdge="horizontal" />