Deprecate the use of ICU.addLikelySubtags

Bug: 124232146
Test: m droid
Merged-In: I25ad003c70b5028942d50d8e83d1cc62ee74d31b
Change-Id: I25ad003c70b5028942d50d8e83d1cc62ee74d31b
(cherry picked from commit 57e23f19e6)

core/java/com/android/internal/app/LocaleHelper.java

@@ -208,7 +208,7 @@ public class LocaleHelper {
      * @return the maximized Locale instance.
      */
     public static Locale addLikelySubtags(Locale locale) {
-        return libcore.icu.ICU.addLikelySubtags(locale);
+        return ULocale.addLikelySubtags(ULocale.forLocale(locale)).toLocale();
     }
 
     /**