Check feature id is within range in Internals::isUseCounted
Check feature id is within range in Internals::isUseCounted

This patch makes Internals::isUseCounted check that the passed in
feature id is a valid feature id. This patch is just to make ClusterFuzz
happy; the function is only exposed for testing so there is no security
issue here.

BUG=481390

Review URL: https://codereview.chromium.org/1135453002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@195082 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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