Use correct spell check locale

Bug: 6542210
Change-Id: I414aa2321f30e396996d90fb8e90c1dbb3bb7b9e

Author: satok16

core/java/android/view/textservice/SpellCheckerSubtype.java

@@ -146,7 +146,10 @@ public boolean equals(Object o) {
         return false;
     }
 
-    private static Locale constructLocaleFromString(String localeStr) {
+    /**
+     * @hide
+     */
+    public static Locale constructLocaleFromString(String localeStr) {
         if (TextUtils.isEmpty(localeStr))
             return null;
         String[] localeParams = localeStr.split("_", 3);

core/java/android/widget/TextView.java

@@ -7678,7 +7678,7 @@ public Locale getTextServicesLocale() {
                 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE);
         final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true);
         if (subtype != null) {
-            locale = new Locale(subtype.getLocale());
+            locale = SpellCheckerSubtype.constructLocaleFromString(subtype.getLocale());
         }
         return locale;
     }