cros: add google/mic icons to searchbox

ui/app_list/vector_icons/ic_mic_black.1x.icon

Index: ui/app_list/vector_icons/ic_mic_black.1x.icon
diff --git a/ui/app_list/vector_icons/ic_mic_black.1x.icon b/ui/app_list/vector_icons/ic_mic_black.1x.icon
new file mode 100644
index 0000000000000000000000000000000000000000..24b28acfea993685347fd1b28ddb4d040ca35f5d
--- /dev/null
+++ b/ui/app_list/vector_icons/ic_mic_black.1x.icon
@@ -0,0 +1,25 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+CANVAS_DIMENSIONS, 24,
+MOVE_TO, 12, 15,
+CUBIC_TO, 13.66f, 15, 14.99f, 13.66f, 14.99f, 12,
+LINE_TO, 15, 6,
+CUBIC_TO, 15, 4.34f, 13.66f, 3, 12, 3,
+CUBIC_TO, 10.34f, 3, 9, 4.34f, 9, 6,
+LINE_TO, 9, 12,
+CUBIC_TO, 9, 13.66f, 10.34f, 15, 12, 15,
+CLOSE,
+MOVE_TO, 17.3f, 12,
+CUBIC_TO, 17.3f, 15, 14.76f, 17.1f, 12, 17.1f,
+CUBIC_TO, 9.24f, 17.1f, 6.7f, 15, 6.7f, 12,
+LINE_TO, 5, 12,
+CUBIC_TO, 5, 15.41f, 7.72f, 18.23f, 11, 18.72f,
+LINE_TO, 11, 22,
+LINE_TO, 13, 22,
+LINE_TO, 13, 18.72f,
+CUBIC_TO, 16.28f, 18.24f, 19, 15.42f, 19, 12,
+LINE_TO, 17.3f, 12,
+CLOSE,
+END