3ad45940d6
Currently users can enable analytics using the unified analytics package in VS Code, but there is no option the disable from the UI. Adding this allows users to disable analytics by running `dart --disable-analytics`. Change-Id: Ieff4281ab3fbdccee7ec7a05b185f5c4f9da6f76 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/289082 Reviewed-by: Elias Yishak <eliasyishak@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Keerti Parthasarathy <keertip@google.com>