[vulkan] Have a single struct for host visible memory virt info

bug: 111137294
bug: 121420031

We will only be virtualizing one physical device (for now), so to make
things have less plumbing, make the host virtualization properties
global.

Change-Id: Ie849ee15e023d241c7413d4f57451b2841d32db0
diff --git a/system/vulkan_enc/HostVisibleMemoryVirtualization.cpp b/system/vulkan_enc/HostVisibleMemoryVirtualization.cpp
index e8a2fb7..01887a3 100644
--- a/system/vulkan_enc/HostVisibleMemoryVirtualization.cpp
+++ b/system/vulkan_enc/HostVisibleMemoryVirtualization.cpp
@@ -76,12 +76,21 @@
 void initHostVisibleMemoryVirtualizationInfo(
     VkPhysicalDevice physicalDevice,
     const VkPhysicalDeviceMemoryProperties* memoryProperties,
+    bool hasDirectMem,
     HostVisibleMemoryVirtualizationInfo* info_out) {
-    
-    info_out->supported =
+
+    info_out->memoryPropertiesSupported =
         canFitVirtualHostVisibleMemoryInfo(memoryProperties);
 
-    if (!info_out->supported) return;
+    info_out->directMemSupported = hasDirectMem;
+
+    if (!info_out->memoryPropertiesSupported ||
+        !info_out->directMemSupported) {
+        info_out->virtualizationSupported = false;
+        return;
+    }
+
+    info_out->virtualizationSupported = true;
 
     uint32_t typeCount =
         memoryProperties->memoryTypeCount;