bug 15000: aspect/aspectMask inconsistencies (WIP)

Rename all aspect to aspectMask.

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=15000
diff --git a/tests/init.cpp b/tests/init.cpp
index 5326380..a4157a8 100644
--- a/tests/init.cpp
+++ b/tests/init.cpp
@@ -382,7 +382,7 @@
 
     if (image_fmt.linearTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) {
         VkImageSubresource subresource = {};
-        subresource.aspect = VK_IMAGE_ASPECT_COLOR_BIT;
+        subresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
         subresource.arrayLayer = 0;
 
         _w = w;