Add a query parameter to look-up a SIP address.

Currently there is an API to look-up a phone number in the contacts
database but not one to look up a SIP address.

This change adds a query parameter that can be added to the existing
filter URI to search the contacts with SIP addresses.

Bug: 5529690
Change-Id: I71aaf46c7528e7e6eb4160a664f4bdeacfb0581d

Author: flerda

core/java/android/provider/ContactsContract.java

@@ -4666,6 +4666,13 @@ private PhoneLookup() {}
          * @hide
          */
         public static final String CONTENT_TYPE = "vnd.android.cursor.dir/phone_lookup";
+
+       /**
+        * Boolean parameter that is used to look up a SIP address.
+        *
+        * @hide
+        */
+        public static final String QUERY_PARAMETER_SIP_ADDRESS = "sip";
     }
 
     /**