third_party: Add WDS library

This patch adds WDS library into third parties for Linux (incl. CrOS).
The libwds library will be used by the Wi-fi Display implemantation of the 'chrome.displaySource' API on CrOS.
The added library will be called from renderer process only (i.e. within sandbox).

NOPRESUBMIT=true
BUG=242107

Review URL: https://codereview.chromium.org/1498473010

Cr-Commit-Position: refs/heads/master@{#375159}
diff --git a/DEPS b/DEPS
index 07eda78f..f64f0f1d 100644
--- a/DEPS
+++ b/DEPS
@@ -430,6 +430,10 @@
     # Wayland protocols that add functionality not available in the core protocol.
     'src/third_party/wayland-protocols/src':
      Var('chromium_git') + '/external/anongit.freedesktop.org/git/wayland/wayland-protocols.git' + '@' + '3543bb755c8858b0a70dfd20fd1beb74d865751d',
+
+    # Wireless Display Software. Used on Chrome OS.
+    'src/third_party/wds/src':
+     Var('chromium_git') + '/external/github.com/01org/wds' + '@' + 'f187dda5fccaad08e168dc6657109325f42c648e',
   },
   'android': {
     'src/third_party/android_protobuf/src':