Vulkan: Minor cleanups.

Makes some VkFlags into VkAccessFlags to aid with code search. Also
corrects a few typos.

Bug: angleproject:6566
Change-Id: Ia4d14d38bb6d4e8c4c71fed6038c12edae112be9
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3264224
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>

src/libANGLE/renderer/vulkan/UtilsVk.cpp

@@ -2301,7 +2301,7 @@ angle::Result UtilsVk::blitResolveImpl(ContextVk *contextVk,
     shaderParams.flipY    = params.flipY;
     shaderParams.rotateXY = 0;
 
-    // Potentially make adjustments for pre-rotatation.  Depending on the angle some of the
+    // Potentially make adjustments for pre-rotation.  Depending on the angle some of the
     // shaderParams need to be adjusted.
     switch (params.rotation)
     {

src/libANGLE/renderer/vulkan/vk_helpers.cpp

@@ -1068,7 +1068,7 @@ void CommandBufferHelper::imageRead(ContextVk *contextVk,
     if (mIsRenderPassCommandBuffer)
     {
         // As noted in the header we don't support multiple read layouts for Images.
-        // We allow duplicate uses in the RP to accomodate for normal GL sampler usage.
+        // We allow duplicate uses in the RP to accommodate for normal GL sampler usage.
         if (!usesImageInRenderPass(*image))
         {
             mRenderPassUsedImages.insert(image->getImageSerial().getValue());

src/libANGLE/renderer/vulkan/vk_helpers.h

@@ -796,8 +796,8 @@ class PipelineBarrier : angle::NonCopyable
 
     void mergeMemoryBarrier(VkPipelineStageFlags srcStageMask,
                             VkPipelineStageFlags dstStageMask,
-                            VkFlags srcAccess,
-                            VkFlags dstAccess)
+                            VkAccessFlags srcAccess,
+                            VkAccessFlags dstAccess)
     {
         mSrcStageMask |= srcStageMask;
         mDstStageMask |= dstStageMask;
@@ -829,8 +829,8 @@ class PipelineBarrier : angle::NonCopyable
   private:
     VkPipelineStageFlags mSrcStageMask;
     VkPipelineStageFlags mDstStageMask;
-    VkFlags mMemoryBarrierSrcAccess;
-    VkFlags mMemoryBarrierDstAccess;
+    VkAccessFlags mMemoryBarrierSrcAccess;
+    VkAccessFlags mMemoryBarrierDstAccess;
     std::vector<VkImageMemoryBarrier> mImageMemoryBarriers;
 };
 using PipelineBarrierArray = angle::PackedEnumMap<PipelineStage, PipelineBarrier>;