feat: Create a view on the instance, not on the table

[danieljbruce]

Summary:

This PR is being added to address a recent minor change suggested in the design document for Bigtable Authorized Views. To support future feature work, the views should be decoupled from tables and therefore created using a Bigtable instance object instead of a table object.

Background:

This PR is part of a series of PRs for introducing the Bigtable Authorized Views feature. So far this PR and this PR have been merged.

Changes

1. Add the view method to Instance.
2. Remove the view method from Table.
3. Modify the authorized view constructor not to require the whole table

Next Steps

(Verbatim from the previous PR)

1. Write some tests that use the new increment, createRules and filter methods now available on AuthorizedView. Make sure that these methods pass the proper parameters along and that they target an authorized view.
2. Write a PR for supporting authorized views calls for all methods of the TabularApiSurface class.

[conventional-commit-lint-gcf]

🤖 I detect that the PR title and the commit message differ and there's only one commit. To use the PR title for the commit history, you can use Github's automerge feature with squashing, or use automerge label. Good luck human!

-- conventional-commit-lint bot
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