[syscalls] Use vmar..._old apis. Modify existing calls to vmar routines in preparation for changing the parameter order.
[syscalls] Use vmar..._old apis.
Modify existing calls to vmar routines in preparation for changing
the parameter order.

ZX-2264

Test: CQ
Change-Id: Iaed6ca55b890e0d8ab557b5b96d6760020a645d9
Reviewed-on: https://dart-review.googlesource.com/61480
Reviewed-by: Adam Barth <261ec7bc01029d75f3df176083f56735e31b8587@google.com>
Reviewed-by: Zach Anderson <9f8b31e960a68dade71618f1ff6da6e23a1edfc9@google.com>
Reviewed-by: Ryan Macnak <d738b7f001baf9789095d7dc549cff6de60b011d@google.com>
Commit-Queue: Ryan Macnak <d738b7f001baf9789095d7dc549cff6de60b011d@google.com>

dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk