Privacy: require `manage_privacy_options` capability for showing `WP_Privacy_Policy_Content::notice()`.

Props ocean90.
Merges [43248] to the 4.9 branch.
Fixes #44055.

Built from https://develop.svn.wordpress.org/branches/4.9@43277


git-svn-id: http://core.svn.wordpress.org/branches/4.9@43106 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/misc.php

@@ -1517,6 +1517,10 @@ final class WP_Privacy_Policy_Content {
 			return;
 		}
 
+		if ( ! current_user_can( 'manage_privacy_options' ) ) {
+			return;
+		}
+
 		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
 
 		if ( ! $policy_page_id || $policy_page_id != $post->ID ) {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9.6-RC1-43276';
+$wp_version = '4.9.6-RC1-43277';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.