Fix launcher search tile height

The current height is 90dp, while the spec requires 92dp.

This is a manual cherry pick of crrev.com/c/1450413 (the code in master
moved after the M73 branch).

TBR=xiyuan@chromium.org

Bug: 925204
Test: manual
Change-Id: I2b9e0345b04aa82bf91bb9486bd3eb0dccab24fb
Reviewed-on: https://chromium-review.googlesource.com/c/1450620
Reviewed-by: Vladislav Kaznacheev <kaznacheev@chromium.org>
Cr-Commit-Position: refs/branch-heads/3683@{#164}
Cr-Branched-From: e51029943e0a38dd794b73caaf6373d5496ae783-refs/heads/master@{#625896}
diff --git a/ash/public/cpp/app_list/app_list_constants.cc b/ash/public/cpp/app_list/app_list_constants.cc
index 5c91fa3..22229d4 100644
--- a/ash/public/cpp/app_list/app_list_constants.cc
+++ b/ash/public/cpp/app_list/app_list_constants.cc
@@ -193,7 +193,7 @@
     "Apps.AppListSearchResultDistanceFromOrigin";
 
 // The height of tiles in search result.
-const int kSearchTileHeight = 90;
+const int kSearchTileHeight = 92;
 
 gfx::ShadowValue GetShadowForZHeight(int z_height) {
   if (z_height <= 0)