Migrate Contacts to androidx.

Test: make Contacts
Bug: 76692459
Change-Id: I6f0bc94769af201a18f7fd06e4dac78d53bec763
diff --git a/src/com/android/contacts/ContactsUtils.java b/src/com/android/contacts/ContactsUtils.java
index 4fd9cc1..69a8243 100644
--- a/src/com/android/contacts/ContactsUtils.java
+++ b/src/com/android/contacts/ContactsUtils.java
@@ -23,7 +23,7 @@
 import android.os.Build;
 import android.provider.ContactsContract.CommonDataKinds.Im;
 import android.provider.ContactsContract.DisplayPhoto;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 import android.text.TextUtils;
 import android.util.Pair;