[tools] Fix pushing icu data file to Android devices when perf testing

NOTRY=true
TBR=jarin@chromium.org

Change-Id: If1b42341798f890dab5d45235ae93efe069b8309
Reviewed-on: https://chromium-review.googlesource.com/449772Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43576}

tools/run_perf.py

@@ -784,7 +784,7 @@ class AndroidPlatform(Platform):  # pragma: no cover
     )
     self._PushFile(
         shell_dir,
-        "snapshot_blob_ignition.bin",
+        "icudtl.dat",
         target_dir,
         skip_if_missing=True,
     )