Reland "Deprecate `setDatabaseEnabled` and `getDatabaseEnabled`"

This deprecates `setDatabaseEnabled` and `getDatabaseEnabled`.
WebSQL will be fully removed on WebView.

Relanding now that API deprecations are allowed.

Bug: 316370537
Change-Id: I5b83fa0fdfa4ee839d7fbc628af5be281857ad61
2 files changed