Don't show import buttons when import is disabled, and use correct icons for...

Don't show import buttons when import is disabled, and use correct icons for insufficient space state (were inverted).

BUG=468971
TEST=manual

Review URL: https://codereview.chromium.org/1020083002

Cr-Commit-Position: refs/heads/master@{#321473}

ui/file_manager/file_manager/foreground/js/import_controller.js

@@ -669,7 +669,7 @@ importer.RuntimeCommandWidget.prototype.update =
 
       this.mainButton_.hidden = false;
       this.sideButton_.hidden = false;
-      this.panelButton_.hidden = false;
+      this.panelButton_.hidden = true;
 
       this.toolbarIcon_.setAttribute('icon', 'autorenew');
       this.statusIcon_.setAttribute('icon', 'autorenew');
@@ -689,10 +689,10 @@ importer.RuntimeCommandWidget.prototype.update =
 
       this.mainButton_.hidden = false;
       this.sideButton_.hidden = false;
-      this.panelButton_.hidden = false;
+      this.panelButton_.hidden = true;
 
-      this.toolbarIcon_.setAttribute('icon', 'image:photo');
-      this.statusIcon_.setAttribute('icon', 'cloud-off');
+      this.toolbarIcon_.setAttribute('icon', 'cloud-off');
+      this.statusIcon_.setAttribute('icon', 'image:photo');
       break;
 
     case importer.ActivityState.NO_MEDIA: