Merge "String on Toast notification does not aligned to center"

Author: Jean-Baptiste Queru

core/res/res/layout/transient_notification.xml

@@ -29,6 +29,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_weight="1"
+        android:layout_gravity="center_horizontal"
         android:textAppearance="@style/TextAppearance.Small"
         android:textColor="@color/bright_foreground_dark"
         android:shadowColor="#BB000000"