bug 15003: vkCmdPipelineBarrier should be allowed on a DMA queue (WIP)

Add VK_PIPELINE_STAGE_ALL_{GRAPHICS,COMMANDS}_BIT.  Replace the removed masks
by ~VK_PIPELINE_STAGE_HOST_BIT in the sample driver.

s/VK_PIPELINE_STAGE_ALL_GRAPHICS\b/VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT/g
s/VK_PIPELINE_STAGE_ALL_GPU_COMMANDS/VK_PIPELINE_STAGE_ALL_COMMANDS_BIT/g

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=15003
diff --git a/tests/layer_validation_tests.cpp b/tests/layer_validation_tests.cpp
index ffcfa8c..c01d1a9 100644
--- a/tests/layer_validation_tests.cpp
+++ b/tests/layer_validation_tests.cpp
@@ -3852,7 +3852,7 @@
     struct thread_data_struct *data = (struct thread_data_struct *) arg;
 
     for (int i = 0; i<10000; i++) {
-        vkCmdSetEvent(data->commandBuffer, data->event, VK_PIPELINE_STAGE_ALL_GPU_COMMANDS);
+        vkCmdSetEvent(data->commandBuffer, data->event, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT);
         if (data->bailout) {
             break;
         }