Fix hardware status expand button accessiblity

- Aria label added to provide screen readers context for button action
- Title added to chevron icon to display label on hover

Signed-off-by: Dixsie Wolmers <dixsie@ibm.com>
Change-Id: Ib8c0cef36d7aa61e0b4b0ac7fdabffb7e8a0a17a
diff --git a/src/locales/en-US.json b/src/locales/en-US.json
index b730b81..0015abc 100644
--- a/src/locales/en-US.json
+++ b/src/locales/en-US.json
@@ -62,8 +62,10 @@
       "informational": "Informational"
     },
     "table": {
+      "collapseTableRow": "Collapse table row",
       "emptyMessage": "No items available",
       "emptySearchMessage": "No items match the search query",
+      "expandTableRow": "Expand table row",
       "fromDate": "From date",
       "items": "%{count} items",
       "itemsPerPage": "Items per page",