Loosen the expectations on some Streams API tests to match the new native implementation in Chrome.
Loosen the expectations on some Streams API tests to match the new native implementation in Chrome.

RELNOTES: N/A

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=277606003

google/closure-library,lucidsoftware/closure-library,google/closure-library,google/closure-library,google/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,google/closure-library