docs(toolbar): update (fabToolbar, fabToolbar & tooltip) docs (angular#9612)

* Fix documentation#usage for fabSpeedDial

* Fix documentation#usage for fabToolbar

* Fix documentation#usage for tooltip

Author: merzak7

src/components/fabSpeedDial/fabSpeedDial.js

@@ -76,16 +76,16 @@
    * <hljs lang="html">
    * <md-fab-speed-dial md-direction="up" class="md-fling">
    *   <md-fab-trigger>
-   *     <md-button aria-label="Add..."><md-icon icon="/img/icons/plus.svg"></md-icon></md-button>
+   *     <md-button aria-label="Add..."><md-icon md-svg-src="/img/icons/plus.svg"></md-icon></md-button>
    *   </md-fab-trigger>
    *
    *   <md-fab-actions>
    *     <md-button aria-label="Add User">
-   *       <md-icon icon="/img/icons/user.svg"></md-icon>
+   *       <md-icon md-svg-src="/img/icons/user.svg"></md-icon>
    *     </md-button>
    *
    *     <md-button aria-label="Add Group">
-   *       <md-icon icon="/img/icons/group.svg"></md-icon>
+   *       <md-icon md-svg-src="/img/icons/group.svg"></md-icon>
    *     </md-button>
    *   </md-fab-actions>
    * </md-fab-speed-dial>

src/components/fabToolbar/fabToolbar.js

@@ -50,17 +50,17 @@
    * <hljs lang="html">
    * <md-fab-toolbar md-direction='left'>
    *   <md-fab-trigger>
-   *     <md-button aria-label="Add..."><md-icon icon="/img/icons/plus.svg"></md-icon></md-button>
+   *     <md-button aria-label="Add..."><md-icon md-svg-src="/img/icons/plus.svg"></md-icon></md-button>
    *   </md-fab-trigger>
    *
    *   <md-toolbar>
    *    <md-fab-actions>
    *      <md-button aria-label="Add User">
-   *        <md-icon icon="/img/icons/user.svg"></md-icon>
+   *        <md-icon md-svg-src="/img/icons/user.svg"></md-icon>
    *      </md-button>
    *
    *      <md-button aria-label="Add Group">
-   *        <md-icon icon="/img/icons/group.svg"></md-icon>
+   *        <md-icon md-svg-src="/img/icons/group.svg"></md-icon>
    *      </md-button>
    *    </md-fab-actions>
    *   </md-toolbar>

src/components/tooltip/tooltip.js

@@ -24,7 +24,7 @@ angular
  *   <md-tooltip>
  *     Play Music
  *   </md-tooltip>
- *   <md-icon icon="img/icons/ic_play_arrow_24px.svg"></md-icon>
+ *   <md-icon md-svg-src="img/icons/ic_play_arrow_24px.svg"></md-icon>
  * </md-button>
  * </hljs>
  *