refactor(core): rename precompile into entryComponents.

Part of #10043

BREAKING CHANGE:
- `@Component.precompile` was renamed to `@Component.entryComponents`
  (old property still works but is deprecated)
- `ANALYZE_FOR_PRECOMPILE` was renamed to `ANALYZE_FOR_ENTRY_COMPONENTS` (no deprecations)

modules/@angular/router/src/directives/router_outlet.ts

@@ -94,9 +94,9 @@ export class RouterOutlet {
       if (!(e instanceof NoComponentFactoryError)) throw e;
       const componentName = component ? component.name : null;
       console.warn(
-          `'${componentName}' not found in precompile array.  To ensure all components referred
+          `'${componentName}' not found in entryComponents array.  To ensure all components referred
           to by the Routes are compiled, you must add '${componentName}' to the
-          'precompile' array of your application component. This will be required in a future
+          'entryComponents' array of your application component. This will be required in a future
           release of the router.`);
       factory = snapshot._resolvedComponentFactory;
     }