[Ozone] Fix GL CrOS Ozone build dependency

NOTRY=true

Review URL: https://codereview.chromium.org/284603002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269862 0039d316-1c4b-4281-b951-d872f2087c98

ui/gl/gl.gyp

@@ -299,6 +299,7 @@
         }],
         ['use_ozone==1', {
           'dependencies': [
+            '../gfx/ozone/gfx_ozone.gyp:gfx_ozone',
             '../ozone/ozone.gyp:ozone',
           ],
         }],