Fix vulkan render pass ctor.

This fixes the asan failures on the bots

Change-Id: I1baaf5596714262f7e3ddf368bb38b91b1ffcfcd
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309054
Commit-Queue: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Auto-Submit: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
diff --git a/src/gpu/vk/GrVkRenderPass.h b/src/gpu/vk/GrVkRenderPass.h
index 25e8657..5526294 100644
--- a/src/gpu/vk/GrVkRenderPass.h
+++ b/src/gpu/vk/GrVkRenderPass.h
@@ -42,6 +42,7 @@
             : INHERITED(gpu)
             , fRenderPass(renderPass)
             , fAttachmentFlags(kExternal_AttachmentFlag)
+            , fHasInputSelfDependency(false)
             , fClearValueCount(0)
             , fColorAttachmentIndex(colorAttachmentIndex) {}