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Will be more relevant if we use more arsc filters.
Even so, speeds up command on my machine: 10.3s -> 7.7s

Bug: 636448
Change-Id: I9b3db23782282e3e13c613b0b64ff1375fb1422d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2186756
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#766469}