Changes to detect whether a call is voicemail.

To determine whether to show discovery for caller id.

Bug: 10723396
Change-Id: I924e9a8c05dced4f1ea239c0db71c131bb662da7
diff --git a/src/com/android/dialer/PhoneCallDetailsHelper.java b/src/com/android/dialer/PhoneCallDetailsHelper.java
index be9cb66..d882eb6 100644
--- a/src/com/android/dialer/PhoneCallDetailsHelper.java
+++ b/src/com/android/dialer/PhoneCallDetailsHelper.java
@@ -117,7 +117,7 @@
         if (TextUtils.isEmpty(details.name)) {
             nameText = displayNumber;
             if (TextUtils.isEmpty(details.geocode)
-                    || mPhoneNumberHelper.isVoicemailNumber(details.number)) {
+                    || PhoneNumberHelper.isVoicemailNumber(details.number)) {
                 numberText = mResources.getString(R.string.call_log_empty_gecode);
             } else {
                 numberText = details.geocode;