Phone utils rewrite (#1023)

Author: SUPERCILEX

auth/src/main/java/com/firebase/ui/auth/ui/phone/VerifyPhoneNumberFragment.java

@@ -174,7 +174,7 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
                     // To accommodate either case, we normalize to e164 with best effort
                     final String unformattedPhone = cred.getId();
                     final String formattedPhone =
-                            PhoneNumberUtils.formatPhoneNumberUsingCurrentCountry(unformattedPhone,
+                            PhoneNumberUtils.formatUsingCurrentCountry(unformattedPhone,
                                     mAppContext);
                     if (formattedPhone == null) {
                         Log.e(TAG, "Unable to normalize phone number from hint selector:"
@@ -214,7 +214,7 @@ private String getPseudoValidPhoneNumber() {
             return null;
         }
 
-        return PhoneNumberUtils.formatPhoneNumber(everythingElse, countryInfo);
+        return PhoneNumberUtils.format(everythingElse, countryInfo);
     }
 
     private void setupCountrySpinner() {