[omnibox] Adjust tab icon

Bring in left edge of tab switch suggestion icon.

Bug: 780835
Change-Id: Iec584365bdfcaadcc0d07b700297c190d5345628
Reviewed-on: https://chromium-review.googlesource.com/775029Reviewed-by: Justin Donnelly <jdonnelly@chromium.org>
Commit-Queue: Kevin Bailey <krb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517250}

components/omnibox/browser/vector_icons/tab.icon

@@ -3,14 +3,14 @@
 // found in the LICENSE file.
 
 CANVAS_DIMENSIONS, 32,
-MOVE_TO, 2, 22,
-LINE_TO, 6, 8,
+MOVE_TO, 3, 22,
+LINE_TO, 7, 8,
 LINE_TO, 24, 8,
 LINE_TO, 28, 22,
 LINE_TO, 24, 22,
 LINE_TO, 22, 12,
-LINE_TO, 8, 12,
-LINE_TO, 6, 22,
-LINE_TO, 2, 22,
+LINE_TO, 9, 12,
+LINE_TO, 7, 22,
+LINE_TO, 3, 22,
 CLOSE,
 END