Roll openscreen dependency

This patch rolls the third_party/openscreen repository to include
changes to build macros, fixing the build inside Chromium.

Change-Id: I7418da93ea222383b98ab074c1e5b1d627e76db7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1643890
Commit-Queue: Jordan Bayles <jophba@chromium.org>
Commit-Queue: Takumi Fujimoto <takumif@chromium.org>
Auto-Submit: Jordan Bayles <jophba@chromium.org>
Reviewed-by: Takumi Fujimoto <takumif@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666050}

DEPS

@@ -1164,7 +1164,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/cisco/openh264' + '@' + '6f26bce0b1c4e8ce0e13332f7c0083788def5fdf',
 
   'src/third_party/openscreen/src':
-    Var('chromium_git') + '/openscreen' + '@' + 'efc3e5ad59d5f30529b3d1df91e6688d0bb0b80c',
+    Var('chromium_git') + '/openscreen' + '@' + 'd384da5a955f7594615ae49b5f624cb135d0cb01',
 
   'src/third_party/ow2_asm': {
       'packages': [