Fix RTL display problem in the account summary

Add the android:textDirection into the summary text in the preference_app.xml

Fixes: 130533247
Test: Manual View
Change-Id: I0f1c223b6ab0f84a7190bf99cc921dc849e2e5b9

packages/SettingsLib/AppPreference/res/layout/preference_app.xml

@@ -61,6 +61,7 @@
             android:id="@android:id/summary"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:textDirection="locale"
             android:textAppearance="?android:attr/textAppearanceSmall"
             android:textColor="?android:attr/textColorSecondary"/>