[Payments] List incomplete addresses in the billing address dropdown

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java
index 3b34d5c6a14ea46a8514a638ffde45740bae9aa3..7f0f63db0c8742eaadca5814a47eae45fbf82941 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java
@@ -45,8 +45,8 @@ public class AutofillProfileBridge {
     /**
      * A convenience class for displaying keyed values in a dropdown.
      */
-    public static class DropdownKeyValue extends Pair<String, String> {
-        public DropdownKeyValue(String key, String value) {
+    public static class DropdownKeyValue extends Pair<String, CharSequence> {
+        public DropdownKeyValue(String key, CharSequence value) {
             super(key, value);
         }
 
@@ -56,13 +56,13 @@ public class AutofillProfileBridge {
         }
 
         /** @return The human-readable localized display value. */
-        public String getValue() {
+        public CharSequence getValue() {
             return super.second;
         }
 
         @Override
         public String toString() {
-            return super.second;
+            return super.second.toString();
         }
     }