Update docs for recent dEQP / VK-GL-CTS update

Location of dEQP / VK-GL-CTS has moved, update doc/dEQP.md.

Bug: angleproject:3914
Change-Id: I705922b7292ffb60954042edae2514d515e68b44
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1887678
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com>

doc/dEQP.md

diff --git a/doc/dEQP.md b/doc/dEQP.md
index 80d2170..0d04869 100644
--- a/doc/dEQP.md
+++ b/doc/dEQP.md
@@ -29,7 +29,7 @@
 but have different test names.
 
 The tests lists are sourced from the Android CTS masters in
-`third_party/deqp/src/android/cts/master`. See `gles2-master.txt`,
+`third_party/VK-GL-CTS/src/android/cts/master`. See `gles2-master.txt`,
 `gles3-master.txt`, `gles31-master.txt` and `egl-master.txt`.
 
 If you're running a full test suite, it might take very long time. Running in
@@ -47,6 +47,7 @@
   * `--deqp-egl-display-type=angle-gl` for OpenGL Desktop (OSX, Linux and Windows)
   * `--deqp-egl-display-type=angle-gles` for OpenGL ES (Android/ChromeOS, some Windows platforms)
   * `--deqp-egl-display-type=angle-vulkan` for Vulkan (Android, Linux, Windows)
+  * `--deqp-egl-display-type=angle-swiftshader` for Vulkan with SwiftShader as driver (Android, Linux, Windows)
 
 The flag `--use-angle=X` has the same effect as `--deqp-egl-display-type=angle-X`.