[test] Fix running refbuilds on Android

Refbuilds still require natives blob. We need to keep the logic for
handling it on android until the next branch point.

No-Try: true
Bug: chromium:1026556
Change-Id: I8375400e0d3ea0f881ef56edc7de8574ae94f3e0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1928862Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65134}

tools/testrunner/local/android.py

@@ -114,6 +114,12 @@ class _Driver(object):
 
     # Push external startup data. Backwards compatible for revisions where
     # these files didn't exist. Or for bots that don't produce these files.
+    self.push_file(
+        shell_dir,
+        'natives_blob.bin',
+        target_dir,
+        skip_if_missing=True,
+    )
     self.push_file(
         shell_dir,
         'snapshot_blob.bin',