Add a privileged permission to get user accounts

bug:22602794

Change-Id: I6e5429f0eb5f2cb274d4740755070e588735e179
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 0c0ba7f..5324c70 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1746,6 +1746,10 @@
     <!-- ==================================== -->
     <eat-comment />
 
+    <!-- @SystemApi Allows access to the list of accounts in the Accounts Service. -->
+    <permission android:name="android.permission.GET_ACCOUNTS_PRIVILEGED"
+        android:protectionLevel="signature|privileged" />
+
     <!-- @SystemApi Allows applications to RW to diagnostic resources.
     <p>Not for use by third-party applications. -->
     <permission android:name="android.permission.DIAGNOSTIC"