Roll DEPS to pick up the latest CrOS system_api.

BUG=393345
TBR=stevenjb@chromium.org,tbarzic@chromium.org

Review URL: https://codereview.chromium.org/389933002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282926 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -480,7 +480,7 @@ deps_os = {
     # For Linux and Chromium OS.
     "src/third_party/cros_system_api":
       Var("chromiumos_git") + "/platform/system_api.git" +
-      "@0256bf857f64361b47353928087586ba261efb99",
+      "@5e0746db937822e77288800bd8d0ca5702dcff85",
 
     # Note that this is different from Android's freetype repo.
     "src/third_party/freetype2/src":