Vulkan: Fix clear of specific mip level was clearing all mip levels

Bug: angleproject:2502
Change-Id: Iffa012dce14584318c4dfd3d9b3a304291c9cebf
Reviewed-on: https://chromium-review.googlesource.com/1070666
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/renderer/vulkan/TextureVk.cpp b/src/libANGLE/renderer/vulkan/TextureVk.cpp
index 29ae179..742a399 100644
--- a/src/libANGLE/renderer/vulkan/TextureVk.cpp
+++ b/src/libANGLE/renderer/vulkan/TextureVk.cpp
@@ -855,7 +855,7 @@
 
     // TODO(jmadill): Fold this into the RenderPass load/store ops. http://anglebug.com/2361
     VkClearColorValue black = {{0, 0, 0, 1.0f}};
-    mImage.clearColor(black, commandBuffer);
+    mImage.clearColor(black, 0, levelCount, commandBuffer);
     return vk::NoError();
 }