Fix DCHECK in GLFenceEGL

DCHECK was accidentally reversed in
crrev.com/0599e81b

Fix the DCHECK.

BUG=

Review URL: https://codereview.chromium.org/929583002

Cr-Commit-Position: refs/heads/master@{#316359}

ui/gl/gl_fence_egl.cc

@@ -45,7 +45,7 @@ void GLFenceEGL::ClientWait() {
   EGLTimeKHR time = EGL_FOREVER_KHR;
   EGLint result = eglClientWaitSyncKHR(display_, sync_, flags, time);
   DCHECK_IMPLIES(!g_ignore_egl_sync_failures,
-                 EGL_TIMEOUT_EXPIRED_KHR == result);
+                 EGL_TIMEOUT_EXPIRED_KHR != result);
   if (result == EGL_FALSE) {
     LOG(ERROR) << "Failed to wait for EGLSync. error:"
                << ui::GetLastEGLErrorString();