[updater] add data_deps for mac platform for updater_integration_tests.

This is an attempt to fix the error where mac builder
is not able to find file
/opt/s/w/ir/cache/builder/src/out/Release/gen/chrome/updater/version_info.py.


Bug: 1148430
Change-Id: I671f32660913c03f0fa61c993e4fcb027c00f3c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2535220Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Anjali Doneria <adoneria@google.com>
Cr-Commit-Position: refs/heads/master@{#827028}

chrome/updater/BUILD.gn

@@ -429,5 +429,11 @@ if (is_win || is_mac) {
         "//chrome/updater/win/installer",
       ]
     }
+    if (is_mac) {
+      data_deps = [
+        ":version_header_py",
+        "//chrome/updater/mac:updater_bundle",
+      ]
+    }
   }
 }