Update sample project to latest Unity version.

SampleProject/Packages/manifest.json

@@ -24,17 +24,17 @@
     "com.unity.2d.sprite": "1.0.0",
     "com.unity.2d.tilemap": "1.0.0",
     "com.unity.ide.rider": "1.2.1",
-    "com.unity.ide.vscode": "1.2.4",
+    "com.unity.ide.vscode": "1.2.5",
     "com.unity.multiplayer-hlapi": "1.0.8",
-    "com.unity.test-framework": "1.1.30",
+    "com.unity.test-framework": "1.1.31",
     "com.unity.textmeshpro": "2.1.6",
     "com.unity.timeline": "1.2.18",
     "com.unity.ugui": "1.0.0",
-    "com.unity.xr.arcore": "2.1.18",
-    "com.unity.xr.arfoundation": "2.1.18",
-    "com.unity.xr.arkit": "2.1.18",
-    "com.unity.xr.legacyinputhelpers": "2.1.8",
-    "com.unity.xr.management": "4.1.0",
+    "com.unity.xr.arcore": "2.1.19",
+    "com.unity.xr.arfoundation": "2.1.19",
+    "com.unity.xr.arkit": "2.1.19",
+    "com.unity.xr.legacyinputhelpers": "2.1.9",
+    "com.unity.xr.management": "4.2.1",
     "com.unity.xr.openvr.standalone": "2.0.5",
     "com.unity.xr.windowsmr.metro": "4.2.3",
     "com.unity.modules.ai": "1.0.0",

SampleProject/ProjectSettings/ProjectVersion.txt

@@ -1,2 +1,2 @@
-m_EditorVersion: 2019.4.32f1
-m_EditorVersionWithRevision: 2019.4.32f1 (f88bf0bee961)
+m_EditorVersion: 2019.4.39f1
+m_EditorVersionWithRevision: 2019.4.39f1 (78d14dfa024b)