[ADF-4594] e2e configuration to disable animations (#4760)

* e2e environment

* configuration fixes

* update dist configuration

* use e2e configuration on travis

demo-shell/src/environments/environment.ts

@@ -21,5 +21,6 @@
 // The list of which env maps to which file can be found in `.angular-cli.json`.
 
 export const environment = {
-  production: false
+  production: false,
+  e2e: false
 };