fix(aot): fix aot error w/ live announcer (#1355)

src/lib/core/core.ts

@@ -5,6 +5,8 @@ import {MdRippleModule} from './ripple/ripple';
 import {PortalModule} from './portal/portal-directives';
 import {OverlayModule} from './overlay/overlay-directives';
 import {A11yModule} from './a11y/index';
+import {MdLiveAnnouncer} from './a11y/live-announcer';
+import {InteractivityChecker} from './a11y/interactivity-checker';
 
 
 // RTL
@@ -54,6 +56,8 @@ export {
 export {FocusTrap} from './a11y/focus-trap';
 export {InteractivityChecker} from './a11y/interactivity-checker';
 
+export {A11yModule} from './a11y/index';
+
 export {
   MdUniqueSelectionDispatcher,
   MdUniqueSelectionDispatcherListener
@@ -85,7 +89,7 @@ export class MdCoreModule {
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdCoreModule,
-      providers: [A11yModule.forRoot().providers],
+      providers: [MdLiveAnnouncer, InteractivityChecker],
     };
   }
 }

src/lib/dialog/dialog.ts

@@ -13,7 +13,7 @@ import {MdDialogConfig} from './dialog-config';
 import {MdDialogRef} from './dialog-ref';
 import {DialogInjector} from './dialog-injector';
 import {MdDialogContainer} from './dialog-container';
-import {A11yModule} from '../core/a11y/index';
+import {A11yModule, InteractivityChecker} from '../core';
 
 export {MdDialogConfig} from './dialog-config';
 export {MdDialogRef} from './dialog-ref';
@@ -135,7 +135,7 @@ export class MdDialogModule {
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdDialogModule,
-      providers: [MdDialog, OVERLAY_PROVIDERS, A11yModule.forRoot().providers],
+      providers: [MdDialog, OVERLAY_PROVIDERS, InteractivityChecker],
     };
   }
 }

src/lib/module.ts

@@ -29,6 +29,7 @@ import {MdToolbarModule} from './toolbar/index';
 import {MdTooltipModule} from './tooltip/index';
 import {MdMenuModule} from './menu/index';
 import {MdDialogModule} from './dialog/index';
+import {A11yModule} from './core/a11y/index';
 
 
 const MATERIAL_MODULES = [
@@ -57,6 +58,7 @@ const MATERIAL_MODULES = [
   OverlayModule,
   PortalModule,
   RtlModule,
+  A11yModule,
 ];
 
 @NgModule({
@@ -78,6 +80,7 @@ const MATERIAL_MODULES = [
     RtlModule.forRoot(),
 
     // These modules include providers.
+    A11yModule.forRoot(),
     MdButtonToggleModule.forRoot(),
     MdDialogModule.forRoot(),
     MdIconModule.forRoot(),