reduce inotify watch

[MingZhang-YBPS]

Only setup inotify watch for included metrics

fix #3353

Before the change, number of container is 190+ , and number of inotify watch is 4800+

After this change, the number of inotify watch is 2052

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[k8s-ci-robot]

Hi @MingZhang-YBPS. Thanks for your PR.

I'm waiting for a google member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[iwankgb]

/ok-to-test

[MingZhang-YBPS]

Hi @iwankgb , could you please help to review? Thank you！

[iwankgb]

@MingZhang-YBPS, looks legit to me. Could you squash the commits, please?

[MingZhang-YBPS]

@MingZhang-YBPS, looks legit to me. Could you squash the commits, please?

done, could you please approve the test workflow?

[iwankgb]

This PR is on hold. NewRawContainerWatcher() is called in Kubernetes