test(ivy): enable //packages/router/test/aot_ngsummary_test in Ivy mode (#27483)

This commit enables the above test to run under --define=compile=aot.
To accomplish this, one import is rewritten from a strange form to the
correct absolute form.

FW-658 #resolve

PR Close #27483

packages/router/test/aot_ngsummary_test/BUILD.bazel

@@ -15,9 +15,6 @@ ts_library(
     name = "aot_test_lib",
     testonly = True,
     srcs = ["aot_router_bootstrap.spec.ts"],
-    tags = [
-        "fixme-ivy-aot",
-    ],
     deps = [
         ":aot_routing_module",
         "//packages/core",
@@ -30,9 +27,6 @@ ts_library(
 jasmine_node_test(
     name = "test",
     bootstrap = ["angular/tools/testing/init_node_spec.js"],
-    tags = [
-        "fixme-ivy-aot",
-    ],
     deps = [
         ":aot_test_lib",
         "//tools/testing:node",

packages/router/test/aot_ngsummary_test/aot_router_module.ts

@@ -7,7 +7,7 @@
  */
 
 import {Component, NgModule} from '@angular/core';
-import {RouterModule, Routes} from '../../';
+import {RouterModule, Routes} from '@angular/router';
 
 @Component({
   selector: 'aot-router',