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1. Due to performance improvements we don't need as many shards now.
2. '\*' in filter was needed only on command line, launcher uses just '*'.

TBR=kbr

Bug: angleproject:4426, angleproject:4421
Change-Id: I97b1345cbfa592931f0f3dead05397b9f6b1c029
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2086299Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746862}