docs(icon): add aria-labels to examples (#15145)

Suresh918 · jelbourn · commit 484a96cb4c0e · 2019-02-22T10:32:54.000-08:00
Fixes #15013
diff --git a/src/material-examples/icon-overview/icon-overview-example.html b/src/material-examples/icon-overview/icon-overview-example.html
@@ -1 +1 @@
-<mat-icon>home</mat-icon>
+<mat-icon aria-hidden="false" aria-label="Example home icon">home</mat-icon>
diff --git a/src/material-examples/icon-svg/icon-svg-example.html b/src/material-examples/icon-svg/icon-svg-example.html
@@ -1 +1 @@
-<mat-icon svgIcon="thumbs-up"></mat-icon>
+<mat-icon svgIcon="thumbs-up" aria-hidden="false" aria-label="Example thumbs up SVG icon"></mat-icon>

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-<mat-icon>home</mat-icon>`
	`1`	`+<mat-icon aria-hidden="false" aria-label="Example home icon">home</mat-icon>`
Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-<mat-icon svgIcon="thumbs-up"></mat-icon>`
	`1`	`+<mat-icon svgIcon="thumbs-up" aria-hidden="false" aria-label="Example thumbs up SVG icon"></mat-icon>`