Converted project to run on 2019.1

Packages/manifest.json

 {
   "dependencies": {
-    "com.unity.2d.sprite": "1.0.0",
-    "com.unity.ide.rider": "1.0.4",
-    "com.unity.ide.visualstudio": "1.0.5",
-    "com.unity.ide.vscode": "1.0.4",
-    "com.unity.package-manager-ui": "2.2.0",
+    "com.unity.package-manager-ui": "2.1.2",
-    "com.unity.test-framework": "1.0.12",
-    "com.unity.xr.arcore": "2.1.0-preview.1",
-    "com.unity.xr.arfoundation": "2.1.0-preview.1",
-    "com.unity.xr.arkit": "2.1.0-preview.1",
-    "com.unity.xr.arkit-face-tracking": "2.0.0-preview.1",
+    "com.unity.xr.arcore": "file:/Users/mdurand/dev/upm-xr-arcore",
+    "com.unity.xr.arfoundation": "file:/Users/mdurand/dev/com.unity.xr.arfoundation",
+    "com.unity.xr.arkit": "file:/Users/mdurand/dev/upm-xr-arkit",
+    "com.unity.xr.arsubsystems": "file:/Users/mdurand/dev/com.unity.xr.arsubsystems",
+    "com.unity.xr.arkit-face-tracking": "file:/Users/mdurand/dev/com.unity.xr.arkit-face-tracking",
+    "com.unity.subsystemregistration": "file:/Users/mdurand/dev/com.unity.subsystemregistration",    
-    "com.unity.modules.androidjni": "1.0.0",
     "com.unity.modules.animation": "1.0.0",
     "com.unity.modules.assetbundle": "1.0.0",
     "com.unity.modules.audio": "1.0.0",

ProjectSettings/ProjectVersion.txt

-m_EditorVersion: 2019.2.0b1
-m_EditorVersionWithRevision: 2019.2.0b1 (18ccf127b486)
+m_EditorVersion: 2019.1.0f2
+m_EditorVersionWithRevision: 2019.1.0f2 (292b93d75a2c)