Update loading spinner

Loader was updated with loading icon svg. Added inline style
for loading icon and added loader svg to status-icon directive.
Status icons will be used in file-upload component for firmware page update.

Signed-off-by: Dixsie Wolmers <dixsiew@gmail.com>
Change-Id: I15e6f9fa39a08fcc8cfe354f8ed4447aab6425a9
diff --git a/app/common/components/status-icon.js b/app/common/components/status-icon.js
index d756326..f7929c2 100644
--- a/app/common/components/status-icon.js
+++ b/app/common/components/status-icon.js
@@ -32,7 +32,13 @@
                           file="icon-critical.svg"
                           aria-hidden="true"
                           class="status-icon">
-                    </icon>`
+                    </icon>
+                    <icon ng-if="$ctrl.status === 'loading'"
+                          file="icon-loader.svg"
+                          aria-hidden="true"
+                          class="icon__loader icon__loader-sm">
+                    </icon>
+                    `
 
   /**
    * Register statusIcon component