fix: remove cdk re-exports from @angular/material

BREAKING CHANGE: `@angular/material` no longer re-exports symbols from
`@angular/cdk`.

Author: jelbourn

src/lib/core/a11y/_a11y.scss renamed to src/cdk/a11y/_a11y.scss

@@ -1,8 +1,8 @@
-import {ComponentFixture, TestBed, async} from '@angular/core/testing';
+import {Platform} from '@angular/cdk/platform';
 import {Component, ViewChild} from '@angular/core';
-import {FocusTrapFactory, FocusTrapDirective, FocusTrap} from './focus-trap';
+import {async, ComponentFixture, TestBed} from '@angular/core/testing';
+import {FocusTrap, FocusTrapDirective, FocusTrapFactory} from './focus-trap';
 import {InteractivityChecker} from './interactivity-checker';
-import {Platform} from '../platform/platform';
 
 
 describe('FocusTrap', () => {

src/cdk/a11y/focus-trap.spec.ts

@@ -1,5 +1,6 @@
+import {Platform} from '@angular/cdk/platform';
 import {InteractivityChecker} from './interactivity-checker';
-import {Platform} from '../platform/platform';
+
 
 describe('InteractivityChecker', () => {
   let testContainerElement: HTMLElement;

src/cdk/a11y/interactivity-checker.spec.ts

@@ -1,11 +1,11 @@
+import {DOWN_ARROW, TAB, UP_ARROW} from '@angular/cdk/keycodes';
+import {first} from '@angular/cdk/rxjs';
 import {QueryList} from '@angular/core';
 import {fakeAsync, tick} from '@angular/core/testing';
+import {createKeyboardEvent} from '../testing/event-objects';
+import {ActiveDescendantKeyManager} from './activedescendant-key-manager';
 import {FocusKeyManager} from './focus-key-manager';
-import {DOWN_ARROW, UP_ARROW, TAB} from '../keycodes/keycodes';
 import {ListKeyManager} from './list-key-manager';
-import {ActiveDescendantKeyManager} from './activedescendant-key-manager';
-import {createKeyboardEvent} from '../testing/event-objects';
-import {first} from '../rxjs/index';
 
 
 class FakeFocusable {

src/cdk/a11y/list-key-manager.spec.ts

@@ -9,3 +9,4 @@
 export * from './portal';
 export * from './dom-portal-host';
 export * from './portal-directives';
+export * from './portal-injector';

src/lib/core/portal/portal-injector.ts renamed to src/cdk/portal/portal-injector.ts

@@ -1,12 +1,13 @@
+import {Dir} from '@angular/cdk/bidi';
 import {Component, ViewEncapsulation} from '@angular/core';
 import {
   MdSnackBar,
   MdSnackBarConfig,
   MdSnackBarHorizontalPosition,
   MdSnackBarVerticalPosition,
-  Dir,
 } from '@angular/material';
 
+
 @Component({
   moduleId: module.id,
   selector: 'snack-bar-demo',
@@ -24,7 +25,8 @@ export class SnackBarDemo {
   horizontalPosition: MdSnackBarHorizontalPosition = 'center';
   verticalPosition: MdSnackBarVerticalPosition = 'bottom';
 
-  constructor(public snackBar: MdSnackBar, private dir: Dir) { }
+  constructor(public snackBar: MdSnackBar, private dir: Dir) {
+  }
 
   open() {
     let config = new MdSnackBarConfig();

src/cdk/portal/public_api.ts

@@ -1,4 +1,3 @@
-@import '../core/a11y/a11y';
 @import '../core/style/elevation';
 @import '../core/style/vendor-prefixes';
 @import '../core/style/layout-common';

src/demo-app/snack-bar/snack-bar-demo.ts

@@ -1,7 +1,7 @@
 // TODO(jelbourn): Measure perf benefits for translate3d and will-change.
 // TODO(jelbourn): Figure out if anchor hover underline actually happens in any browser.
 @import 'button-base';
-@import '../core/a11y/a11y';
+@import '../../cdk/a11y/a11y';
 @import '../core/style/layout-common';
 
 .mat-button, .mat-icon-button {

src/lib/button-toggle/button-toggle.scss

@@ -1,6 +1,6 @@
 @import '../core/style/variables';
 @import '../core/style/elevation';
-@import '../core/a11y/a11y';
+@import '../../cdk/a11y/a11y';
 
 
 $mat-card-default-padding: 24px !default;