OC-1128: Create new layout for loading dialog

res/layout/loading_dialog.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/loadingLayout"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal" >
+
+    <ProgressBar
+        android:id="@+id/loadingBar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical" />
+
+    <TextView
+        android:id="@+id/loadingLayout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:text="TextView" />
+
+</LinearLayout>