[Impeller] disable vivante from using impeller gles/vulkan.

[jonahwilliams]

Fixes#167850

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Changes reported for pull request #169760 at sha caf10a3

[matanlurey]

Secondary rate limiting ruined this item in the merge queue.

[rekire]

What do you think @jonahwilliams is it worth to cherry pick this PR to get it sooner on stable? I really would like to avoid opting out of impeller in general to support that device.