vulkan: Update Vulkan headers to 1.0.22

Meaningful changes to platform code:
* VKAPI_ATTR is now defined properly when building for 32-bit ARMv8a.
* The pData parameter to vkCmdUpdateBuffer changed from uint32_t* to
  void*. Alignment is still required to be four bytes (by spec), and
  the size parameter was always supposed to be bytes, not words.

Bug: 29460769
Change-Id: I224c53cb08427bea1b0e8ac74802c2f1eed10496
diff --git a/vulkan/nulldrv/null_driver.tmpl b/vulkan/nulldrv/null_driver.tmpl
index 3a84971..209d61d 100644
--- a/vulkan/nulldrv/null_driver.tmpl
+++ b/vulkan/nulldrv/null_driver.tmpl
@@ -158,16 +158,7 @@
 }

 PFN_vkVoidFunction GetInstanceProcAddr(const char* name) {«
-    PFN_vkVoidFunction pfn;
-    if ((pfn = Lookup(name, kInstanceProcs)))
-        return pfn;
-    if (strcmp(name, "vkGetSwapchainGrallocUsageANDROID") == 0)
-        return reinterpret_cast<PFN_vkVoidFunction>(static_cast<PFN_vkGetSwapchainGrallocUsageANDROID>(GetSwapchainGrallocUsageANDROID));
-    if (strcmp(name, "vkAcquireImageANDROID") == 0)
-        return reinterpret_cast<PFN_vkVoidFunction>(static_cast<PFN_vkAcquireImageANDROID>(AcquireImageANDROID));
-    if (strcmp(name, "vkQueueSignalReleaseImageANDROID") == 0)
-        return reinterpret_cast<PFN_vkVoidFunction>(static_cast<PFN_vkQueueSignalReleaseImageANDROID>(QueueSignalReleaseImageANDROID));
-    return nullptr;
+    return Lookup(name, kInstanceProcs);
 »}

 } // namespace null_driver