Add digit alternates

This also re-orders keyboard layout attribute and adds some
android:popupCharacters.

Bug: 2973749
Change-Id: I300fb4029a1844947731cb98a464d8d754cb03ef
diff --git a/java/res/values-es/altchars.xml b/java/res/values-es/altchars.xml
index 23aff73..721062d 100644
--- a/java/res/values-es/altchars.xml
+++ b/java/res/values-es/altchars.xml
@@ -19,12 +19,12 @@
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="alternates_for_a">á</string>
-    <string name="alternates_for_e">é</string>
-    <string name="alternates_for_i">ìíîï</string>
-    <string name="alternates_for_o">ó</string>
-    <string name="alternates_for_u">ùúûü</string>
+    <string name="alternates_for_e">3é</string>
+    <string name="alternates_for_i">ìíîï8</string>
+    <string name="alternates_for_o">ó9</string>
+    <string name="alternates_for_u">ùúûü7</string>
     <string name="alternates_for_s">§ß</string>
     <string name="alternates_for_n">ñ</string>
     <string name="alternates_for_c">ç</string>
-    <string name="alternates_for_y">ýÿ</string>
+    <string name="alternates_for_y">ýÿ6</string>
 </resources>