Fix issues with some japanese numbers being detected as shortcodes.

app/src/main/java/org/thoughtcrime/securesms/phonenumbers/PhoneNumberFormatter.java

@@ -127,6 +127,7 @@ public class PhoneNumberFormatter {
     }
 
     if (isShortCode(bareNumber, localCountryCode)) {
+      Log.i(TAG, "Shortcode detected.");
       return bareNumber;
     }
 
@@ -165,7 +166,7 @@ public class PhoneNumberFormatter {
   private boolean isShortCode(@NonNull String bareNumber, String localCountryCode) {
     try {
       Phonenumber.PhoneNumber parsedNumber = phoneNumberUtil.parse(bareNumber, localCountryCode);
-      return ShortNumberInfo.getInstance().isPossibleShortNumberForRegion(parsedNumber, localCountryCode);
+      return ShortNumberInfo.getInstance().isValidShortNumberForRegion(parsedNumber, localCountryCode);
     } catch (NumberParseException e) {
       return false;
     }