Bump theme pack version number

follow up to 80fa79c

BUG=473342
R=erg@chromium.org

Review URL: https://codereview.chromium.org/1128873007

Cr-Commit-Position: refs/heads/master@{#328743}

chrome/browser/themes/browser_theme_pack.cc

@@ -43,7 +43,7 @@ namespace {
 // Version number of the current theme pack. We just throw out and rebuild
 // theme packs that aren't int-equal to this. Increment this number if you
 // change default theme assets.
-const int kThemePackVersion = 35;
+const int kThemePackVersion = 36;
 
 // IDs that are in the DataPack won't clash with the positive integer
 // uint16. kHeaderID should always have the maximum value because we want the