chore(imports): don't import ExceptionHandler from facade (#10620)

This lets us skip src/facade/exception* when compiling modules other than core.
It prevents having many conflicting declarations

modules/@angular/compiler/src/selector.ts

@@ -6,8 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {BaseException} from '@angular/core';
+
 import {ListWrapper} from './facade/collection';
-import {BaseException} from './facade/exceptions';
 import {StringWrapper, isBlank, isPresent} from './facade/lang';
 
 const _EMPTY_ATTR_VALUE = '';