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/mediasession/idlharness.window.js.ini

@@ -0,0 +1,24 @@
+[idlharness.window.html]
+  [MediaSession interface: operation setMicrophoneActive(boolean)]
+    expected: FAIL
+
+  [MediaSession interface: operation setCameraActive(boolean)]
+    expected: FAIL
+
+  [MediaSession interface: navigator.mediaSession must inherit property "setMicrophoneActive(boolean)" with the proper type]
+    expected: FAIL
+
+  [MediaSession interface: calling setMicrophoneActive(boolean) on navigator.mediaSession with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [MediaSession interface: navigator.mediaSession must inherit property "setCameraActive(boolean)" with the proper type]
+    expected: FAIL
+
+  [MediaSession interface: calling setCameraActive(boolean) on navigator.mediaSession with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [MediaMetadata interface: attribute artwork]
+    expected: FAIL
+
+  [MediaMetadata interface: new MediaMetadata() must inherit property "artwork" with the proper type]
+    expected: FAIL

tests/wpt/meta/mediasession/positionstate.html.ini

@@ -0,0 +1,4 @@
+[positionstate.html]
+  [Test setPositionState with negative playback rate]
+    expected: FAIL
+

tests/wpt/meta/mediasession/setactionhandler.html.ini

@@ -0,0 +1,18 @@
+[setactionhandler.html]
+  [Test that setActionHandler() can be executed for supported actions]
+    expected: FAIL
+
+  [Test that setActionHandler("togglemicrophone") succeeds]
+    expected: FAIL
+
+  [Test that setActionHandler("togglecamera") succeeds]
+    expected: FAIL
+
+  [Test that setActionHandler("hangup") succeeds]
+    expected: FAIL
+
+  [Test that setActionHandler("previousslide") succeeds]
+    expected: FAIL
+
+  [Test that setActionHandler("nextslide") succeeds]
+    expected: FAIL

tests/wpt/meta/mediasession/setcameraactive.html.ini

@@ -0,0 +1,3 @@
+[setcameraactive.html]
+  [Test that setCameraActive() can be executed for boolean values]
+    expected: FAIL

tests/wpt/meta/mediasession/setmicrophoneactive.html.ini

@@ -0,0 +1,3 @@
+[setmicrophoneactive.html]
+  [Test that setMicrophoneActive() can be executed for boolean values]
+    expected: FAIL