[Picture-in-Picture] Update feature policy default allowlist to *.

This CL reflects updated spec which changes Picture-in-Picture feature
to be allowed by default to documents in child frames.

Bug: 806249
Change-Id: I7c7a3a073b30ad5118aa634b0c0b1f3ac60d2e7a
Reviewed-on: https://chromium-review.googlesource.com/926104
Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Reviewed-by: Ian Clelland <iclelland@chromium.org>
Commit-Queue: Mounir Lamouri <mlamouri@chromium.org>
Cr-Commit-Position: refs/heads/master@{#538145}
diff --git a/feature-policy/picture-in-picture-default-feature-policy.https.sub.html b/feature-policy/picture-in-picture-default-feature-policy.https.sub.html
index 6f82016..94cec08 100644
--- a/feature-policy/picture-in-picture-default-feature-policy.https.sub.html
+++ b/feature-policy/picture-in-picture-default-feature-policy.https.sub.html
@@ -11,7 +11,7 @@
   const same_origin_src = '/feature-policy/resources/feature-policy-picture-in-picture.html';
   const cross_origin_src = 'https://{{domains[www]}}:{{ports[https][0]}}' +
     same_origin_src;
-  const header = 'Default "picture-in-picture" feature policy ["self"]';
+  const header = 'Default "picture-in-picture" feature policy [*]';
 
   async_test(t => {
     isPictureInPictureAllowed().then(t.step_func_done((result) => {
@@ -26,8 +26,8 @@
 
   async_test(t => {
     test_feature_availability('picture-in-picture', t, cross_origin_src,
-        expect_feature_unavailable_default,);
-  }, header + ' disallows cross-origin iframes.');
+        expect_feature_available_default,);
+  }, header + ' allows cross-origin iframes.');
 
   </script>
 </body>