xgl: Add IMAGE_LAYOUT to Cmd*Image* calls

This is part 2 of bug #12904.
(2) Blit operations need to know what layout images are in. How do they figure that out?

- Added new parameter(s) specifying the image layout(s) to the following functions:
    xglCmdCopyImage
    xglCmdCopyBufferToImage
    xglCmdCopyImageToBuffer
    xglCmdClearColorImage
    xglCmdClearColorImageRaw
    xglCmdClearDepthStencilImage
    xglCmdResolveImage
diff --git a/tests/xglrenderframework.cpp b/tests/xglrenderframework.cpp
index 4083b02..652f15e 100644
--- a/tests/xglrenderframework.cpp
+++ b/tests/xglrenderframework.cpp
@@ -505,7 +505,7 @@
     copy_region.destOffset.z = 0;
     copy_region.extent = fromImage.extent();
 
-    xglCmdCopyImage(cmd_buf, fromImage.obj(), obj(), 1, &copy_region);
+    xglCmdCopyImage(cmd_buf, fromImage.obj(), fromImage.layout(), obj(), layout(), 1, &copy_region);
 
     XGL_IMAGE_MEMORY_BARRIER image_memory_barrier = {};
     image_memory_barrier.sType = XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
@@ -1199,7 +1199,9 @@
         xglCmdPipelineBarrier( obj(), &pipeline_barrier);
         m_renderTargets[i]->layout(memory_barrier.newLayout);
 
-        xglCmdClearColorImage( obj(), m_renderTargets[i]->image(), clear_color, 1, &srRange );
+        xglCmdClearColorImage(obj(),
+               m_renderTargets[i]->image(), XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL,
+               clear_color, 1, &srRange );
     }
 
     if (depthStencilImage)
@@ -1221,7 +1223,8 @@
         xglCmdPipelineBarrier( obj(), &pipeline_barrier);
         depthStencilBinding->layout = memory_barrier.newLayout;
 
-        xglCmdClearDepthStencil(obj(), depthStencilImage,
+        xglCmdClearDepthStencil(obj(),
+                                depthStencilImage, XGL_IMAGE_LAYOUT_CLEAR_OPTIMAL,
                                 depth_clear_color,  stencil_clear_color,
                                 1, &dsRange);