Rename metadata directories

This renames:
 - `tests/wpt/metadata` → `tests/wpt/meta-legacy-layout`
 - `tests/wpt/metadata-layout-2020` → `tests/wpt/meta`
 - `tests/wpt/mozilla/meta` → `tests/wpt/mozilla/meta-legacy-layout`
 - `tests/wpt/mozilla/meta-layout-2020` → `tests/wpt/mozilla/meta`

tests/wpt/meta/html/dom/render-blocking/blocking-idl-attr.tentative.html.ini

@@ -0,0 +1,18 @@
+[blocking-idl-attr.tentative.html]
+  [Supported tokens of the 'blocking' IDL attribute of the link element]
+    expected: FAIL
+
+  [Setting the 'blocking' IDL attribute of the link element]
+    expected: FAIL
+
+  [Supported tokens of the 'blocking' IDL attribute of the script element]
+    expected: FAIL
+
+  [Setting the 'blocking' IDL attribute of the script element]
+    expected: FAIL
+
+  [Supported tokens of the 'blocking' IDL attribute of the style element]
+    expected: FAIL
+
+  [Setting the 'blocking' IDL attribute of the style element]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/parser-inserted-async-script.tentative.html.ini

@@ -0,0 +1,3 @@
+[parser-inserted-async-script.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/parser-inserted-defer-script.tentative.html.ini

@@ -0,0 +1,3 @@
+[parser-inserted-defer-script.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/parser-inserted-module-script.tentative.html.ini

@@ -0,0 +1,3 @@
+[parser-inserted-module-script.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/parser-inserted-style-element.tentative.html.ini

@@ -0,0 +1,3 @@
+[parser-inserted-style-element.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/parser-inserted-stylesheet-link.tentative.html.ini

@@ -0,0 +1,3 @@
+[parser-inserted-stylesheet-link.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/remove-attr-style-keeps-blocking.tentative.html.ini

@@ -0,0 +1,3 @@
+[remove-attr-style-keeps-blocking.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/remove-attr-stylesheet-link-keeps-blocking.tentative.html.ini

@@ -0,0 +1,3 @@
+[remove-attr-stylesheet-link-keeps-blocking.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/remove-pending-async-render-blocking-script.html.ini

@@ -0,0 +1,2 @@
+[remove-pending-async-render-blocking-script.html]
+  expected: CRASH

tests/wpt/meta/html/dom/render-blocking/script-inserted-module-script.tentative.html.ini

@@ -0,0 +1,3 @@
+[script-inserted-module-script.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/script-inserted-script.html.ini

@@ -0,0 +1,3 @@
+[script-inserted-script.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/script-inserted-style-element.tentative.html.ini

@@ -0,0 +1,3 @@
+[script-inserted-style-element.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL

tests/wpt/meta/html/dom/render-blocking/script-inserted-stylesheet-link.tentative.html.ini

@@ -0,0 +1,3 @@
+[script-inserted-stylesheet-link.tentative.html]
+  [Rendering is blocked before render-blocking resources are loaded]
+    expected: FAIL