message: docs(core): update CONSTS to DECLS
  This terminology was changed in
  but a few instances were missed.
  PR Close
diff: @@ -60,7 +60,7 @@ The above will create following layout:
  | Index | `LView` | `TView.data`
  | ----: | ----------- | ------------
  | `HEADER`
  -| `CONSTS`
  +| `DECLS`
  | 10 | `<div>` | `{type: Element, index: 10, parent: null}`
  | 11 | `#text(Hello )` | `{type: Element, index: 11, parent: tView.data[10]}`
  | 12 | `<b>` | `{type: Element, index: 12, parent: tView.data[10]}`
  @@ -113,7 +113,7 @@ The above will create following layout:
  | Index | `LView` | `TView.data`
  | ----: | ----------- | ------------
  | `HEADER`
  -| `CONSTS`
  +| `DECLS`
  | 10 | `<div>` | `{type: Element, index: 10, parent: null}`
  | 11 | `#text()` | `{type: Element, index: 11, parent: tView.data[10]}`
  | `VARS`
  @@ -186,7 +186,7 @@ The above will create the following layout:
  | Index | `LView` | `TView.data`
  | ----: | ----------- | ------------
  | `HEADER`
  -| `CONSTS`
  +| `DECLS`
  | 10 | `[<child>, ...]` | `{type: Element, index: 10, parent: null}`
  | `VARS`
  | `EXPANDO`
  @@ -325,7 +325,7 @@ The above will create the following layout:
  | Index | `LView` | `TView.data`
  | ----: | ------------ | -------------
  | `HEADER`
  -| `CONSTS`
  +| `DECLS`
  | 10 | `[<child>, ...]` | `{type: Element, index: 10, parent: null, expandoIndex: 11, directivesIndex: 19, providersIndex: 20, viewProvidersIndex: 22, expandoEnd: 23}`
  | `VARS`
  | `EXPANDO`
  