Fix gyp failure on linux when use_ozone=1 is set

BUG=489264
TEST=build/gyp_chromium -Duse_ozone=1

Review URL: https://codereview.chromium.org/1139973005

Cr-Commit-Position: refs/heads/master@{#330701}

build/gn_migration.gypi

@@ -240,7 +240,7 @@
             '../remoting/remoting_all.gyp:remoting_all',
           ],
         }],
-        ['remoting==1 and chromeos==0', {
+        ['remoting==1 and chromeos==0 and use_x11==1', {
           'dependencies': [
             '../remoting/remoting.gyp:remoting_me2me_host',
             '../remoting/remoting.gyp:remoting_me2me_native_messaging_host',