Use framework scheme definitions

Use PhoneAccount defined values for SCHEME_{TEL, SIP, VOICEMAIL}.

Bug:17398074
Change-Id: I36adb16f659daef89957072f9e00d08ea2cb8e9e
diff --git a/src/com/android/phone/SimContacts.java b/src/com/android/phone/SimContacts.java
index bebb6ea..cc2b992 100644
--- a/src/com/android/phone/SimContacts.java
+++ b/src/com/android/phone/SimContacts.java
@@ -38,6 +38,7 @@
 import android.provider.ContactsContract.CommonDataKinds.StructuredName;
 import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.RawContacts;
+import android.telecomm.PhoneAccount;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.ContextMenu;
@@ -345,7 +346,7 @@
                         return true;
                     }
                     Intent intent = new Intent(Intent.ACTION_CALL_PRIVILEGED,
-                            Uri.fromParts(Constants.SCHEME_TEL, phoneNumber, null));
+                            Uri.fromParts(PhoneAccount.SCHEME_TEL, phoneNumber, null));
                     intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                                           | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
                     startActivity(intent);