Whitelist contacts app for managed profiles.

Bug: 15551751
Change-Id: Ieb636d42a32abe84874d21b802dd8535e2ee770a
diff --git a/res/values/required_apps_managed_profile.xml b/res/values/required_apps_managed_profile.xml
index 88f48f8..135f865 100644
--- a/res/values/required_apps_managed_profile.xml
+++ b/res/values/required_apps_managed_profile.xml
@@ -19,5 +19,6 @@
 <resources>
     <!-- A list of apps to be retained in the managed profile. -->
     <string-array name="required_apps_managed_profile">
+        <item>com.android.contacts</item>
     </string-array>
 </resources>