Add new variants for GNOME app start/stop tests

Several apps changed icon.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/gnome/apps/apps_menu_photos-20190826.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "ypos": 443,
+      "xpos": 622,
+      "width": 58,
+      "type": "match",
+      "height": 37
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "apps_menu_photos"
+  ]
+}

needles/gnome/apps/apps_menu_scan-20190826.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "width": 50,
+      "xpos": 211,
+      "ypos": 291,
+      "height": 65,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "apps_menu_scan"
+  ]
+}

needles/gnome/apps/apps_menu_videos-20190826.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "ypos": 583,
+      "width": 54,
+      "xpos": 763,
+      "height": 35,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "apps_menu_videos"
+  ]
+}