Viz: Adds more links to docs in README files

This change adds more links to slides and other information on README
files.

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
Change-Id: I45d70cf69f3213c26e13589d0bf4ca07ad6f51d0
Reviewed-on: https://chromium-review.googlesource.com/1005844
Reviewed-by: kylechar <[email protected]>
Commit-Queue: weiliangc <[email protected]>
Cr-Commit-Position: refs/heads/master@{#549967}
diff --git a/components/viz/README.md b/components/viz/README.md
index 946f2fe..c7b048b 100644
--- a/components/viz/README.md
+++ b/components/viz/README.md
@@ -6,6 +6,13 @@
 See [//services/viz](../../services/viz/README.md) for more information about
 Viz overall.
 
+For understanding compositing related terminology, check out
+[//cc](../../cc/README.md). For understanding display compositor's position in
+the graphics stack, check out
+[Compositor Stack slides](https://docs.google.com/presentation/d/1ou3qdnFhKdjR6gKZgDwx3YHDwVUF7y8eoqM3rhErMMQ/edit?usp=sharing).
+For more comprehensive list of design docs relating to Viz, check out
+[WIP list of design doc](https://crbug.com/821901).
+
 **Table of Contents**
 1. [Terminology](#terminology)
 2. [Directory structure](#directory-structure)