Mirror monitor list methods on Window (#567)

* macOS: Monitor list methods on Window

* X11+Wayland: Monitor list methods on Window

* Windows: Monitor list methods on Window

* iOS: Monitor list methods on Window

* Android: Monitor list methods on Window

* Emscripten: Monitor list methods on Window

* Fixed Wayland implementation

src/platform/android/mod.rs

@@ -385,6 +385,18 @@ impl Window {
         RootMonitorId { inner: MonitorId }
     }
 
+    #[inline]
+    pub fn get_available_monitors(&self) -> VecDeque<MonitorId> {
+        let mut rb = VecDeque::with_capacity(1);
+        rb.push_back(MonitorId);
+        rb
+    }
+
+    #[inline]
+    pub fn get_primary_monitor(&self) -> MonitorId {
+        MonitorId
+    }
+
     #[inline]
     pub fn id(&self) -> WindowId {
         WindowId