chore: adjust formatting to new clang-format.

- fixes wrapping for object literal keys called `template`.
- spacing in destructuring expressions.
- changes to keep trailing return types of functions closer to their
  function declaration.
- better formatting of string literals.

Closes #4828

modules/angular2/src/core/render/api.ts

@@ -209,8 +209,8 @@ export abstract class Renderer {
    *
    * Returns an instance of {@link RenderViewWithFragments}, representing the Render View.
    */
-  abstract createView(protoViewRef: RenderProtoViewRef, fragmentCount: number):
-      RenderViewWithFragments;
+  abstract createView(protoViewRef: RenderProtoViewRef,
+                      fragmentCount: number): RenderViewWithFragments;
 
   /**
    * Destroys a Render View specified via `viewRef`.

modules/angular2/src/core/render/dom/dom_renderer.ts

@@ -131,8 +131,8 @@ export abstract class DomRenderer extends Renderer implements NodeFactory<Node>
   abstract createRootHostView(hostProtoViewRef: RenderProtoViewRef, fragmentCount: number,
                               hostElementSelector: string): RenderViewWithFragments;
 
-  abstract createView(protoViewRef: RenderProtoViewRef, fragmentCount: number):
-      RenderViewWithFragments;
+  abstract createView(protoViewRef: RenderProtoViewRef,
+                      fragmentCount: number): RenderViewWithFragments;
 
   abstract destroyView(viewRef: RenderViewRef);
 
@@ -207,8 +207,8 @@ export abstract class DomRenderer extends Renderer implements NodeFactory<Node>
                     propertyValue);
   }
 
-  setElementAttribute(location: RenderElementRef, attributeName: string, attributeValue: string):
-      void {
+  setElementAttribute(location: RenderElementRef, attributeName: string,
+                      attributeValue: string): void {
     var view = resolveInternalDomView(location.renderView);
     var element = view.boundElements[location.boundElementIndex];
     var dashCasedAttributeName = camelCaseToDashCase(attributeName);