fix(Compiler): allow "." in attribute selectors (#13653)

fixes #13645

modules/@angular/compiler/test/integration_spec.ts

@@ -0,0 +1,51 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {Component, Directive, Input} from '@angular/core';
+import {ComponentFixture, TestBed, async} from '@angular/core/testing';
+import {By} from '@angular/platform-browser/src/dom/debug/by';
+import {expect} from '@angular/platform-browser/testing/matchers';
+
+export function main() {
+  describe('integration tests', () => {
+    let fixture: ComponentFixture<TestComponent>;
+
+
+    describe('directives', () => {
+      it('should support dotted selectors', async(() => {
+           @Directive({selector: '[dot.name]'})
+           class MyDir {
+             @Input('dot.name') value: string;
+           }
+
+           TestBed.configureTestingModule({
+             declarations: [
+               MyDir,
+               TestComponent,
+             ],
+           });
+
+           const template = `<div [dot.name]="'foo'"></div>`;
+           fixture = createTestComponent(template);
+           fixture.detectChanges();
+           const myDir = fixture.debugElement.query(By.directive(MyDir)).injector.get(MyDir);
+           expect(myDir.value).toEqual('foo');
+         }));
+    });
+
+  });
+}
+
+@Component({selector: 'test-cmp', template: ''})
+class TestComponent {
+}
+
+function createTestComponent(template: string): ComponentFixture<TestComponent> {
+  return TestBed.overrideComponent(TestComponent, {set: {template: template}})
+      .createComponent(TestComponent);
+}