[Chrome OS MD] Implement accessibility detailed view for the MD Ash system menu

ui/gfx/vector_icons/check_circle.1x.icon

Index: ui/gfx/vector_icons/check_circle.1x.icon
diff --git a/ash/resources/vector_icons/system_menu_update.1x.icon b/ui/gfx/vector_icons/check_circle.1x.icon
similarity index 68%
copy from ash/resources/vector_icons/system_menu_update.1x.icon
copy to ui/gfx/vector_icons/check_circle.1x.icon
index 8a65ffb84a21f92ae4a3e14c1ee641ef5a6747e4..1fe038c2913638a6d21a468ebda6e3ea430d001d 100644
--- a/ash/resources/vector_icons/system_menu_update.1x.icon
+++ b/ui/gfx/vector_icons/check_circle.1x.icon
@@ -3,19 +3,18 @@
 // found in the LICENSE file.
 
 CANVAS_DIMENSIONS, 20,
-MOVE_TO, 10, 18,
-R_CUBIC_TO, 4.42f, 0, 8, -3.58f, 8, -8,
-R_CUBIC_TO, 0, -4.42f, -3.58f, -8, -8, -8,
+MOVE_TO, 10, 2,
 R_CUBIC_TO, -4.42f, 0, -8, 3.58f, -8, 8,
 R_CUBIC_TO, 0, 4.42f, 3.58f, 8, 8, 8,
+R_CUBIC_TO, 4.42f, 0, 8, -3.58f, 8, -8,
+R_CUBIC_TO, 0, -4.42f, -3.58f, -8, -8, -8,
 CLOSE,
-R_MOVE_TO, -2, -4,
-R_H_LINE_TO, 4,
-R_V_LINE_TO, -3,
-R_H_LINE_TO, 3,
-R_LINE_TO, -5, -6,
-R_LINE_TO, -5, 6,
-R_H_LINE_TO, 3,
-R_V_LINE_TO, 3,
+MOVE_TO, 8.4f, 14,
+R_LINE_TO, -4, -4,
+R_LINE_TO, 1.13f, -1.13f,
+LINE_TO, 8.4f, 11.74f,
+R_LINE_TO, 6.07f, -6.07f,
+LINE_TO, 15.6f, 6.8f,
+LINE_TO, 8.4f, 14,
 CLOSE,
 END