Add XR sample assets and update settings

Assets/Samples/XR Composition Layers/2.2.0/Sample External Android Surface Project/java/com.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 98c63244d80671d49a23f703330f4619
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Samples/XR Composition Layers/2.2.0/Sample External Android Surface Project/java/com/unity.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: a451b52f40e21dc4d9697d025f41299d
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Samples/XR Composition Layers/2.2.0/Sample External Android Surface Project/java/com/unity/xr.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: dfad0a8f5ca2ec942a0a9a6c6ff9dc5c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Samples/XR Composition Layers/2.2.0/Sample External Android Surface Project/java/com/unity/xr/compositorlayers.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ed3f77cabee551f478d5073edc5ee535
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Samples/XR Composition Layers/2.2.0/Sample External Android Surface Project/java/com/unity/xr/compositorlayers/TestSurface.java

@@ -0,0 +1,43 @@
+package com.unity.xr.compositorlayers;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.view.Surface;
+
+/**
+ * Provides functionality to render a Bitmap onto a Surface
+ * received from Unity. Primarily used for handling and displaying
+ * texture data passed from Unity to Android native code.
+ */
+public class TestSurface {
+
+    /**
+    * Initializes and renders a Bitmap onto a specified Surface.
+    *
+    * @param surfaceObject An object that should be an instance of android.view.Surface.
+    * @param bitmap The Bitmap image to be drawn on the surface.
+    * @throws RuntimeException if surfaceObject is not an instance of Surface or if bitmap is null.
+    */
+    public static void InitTestSurface(Object surfaceObject, Bitmap bitmap) {
+        if (!(surfaceObject instanceof Surface)) {
+            throw new RuntimeException("TestSurface.ctor: supplied object is not an android.view.Surface!");
+        }
+
+        Surface surface = (Surface) surfaceObject;
+        Canvas canvas = surface.lockCanvas(null);
+
+        if(bitmap != null)
+        {
+            canvas.drawBitmap(bitmap, new Matrix(), new Paint());
+        }
+        else
+        {
+            throw new RuntimeException("Surface or Image is not initialized or is null.");
+        }
+
+        surface.unlockCanvasAndPost(canvas);
+    }
+}

Assets/Samples/XR Composition Layers/2.2.0/Sample External Android Surface Project/java/com/unity/xr/compositorlayers/TestSurface.java.meta

@@ -0,0 +1,32 @@
+fileFormatVersion: 2
+guid: fffb0d3ab42fe5146a4c2bea5c690c53
+PluginImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  iconMap: {}
+  executionOrder: {}
+  defineConstraints: []
+  isPreloaded: 0
+  isOverridable: 0
+  isExplicitlyReferenced: 0
+  validateReferences: 1
+  platformData:
+  - first:
+      Android: Android
+    second:
+      enabled: 1
+      settings: {}
+  - first:
+      Any: 
+    second:
+      enabled: 0
+      settings: {}
+  - first:
+      Editor: Editor
+    second:
+      enabled: 0
+      settings:
+        DefaultValueInitialized: true
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: