[Extensions] Update several API schemas to use the new promise format

This CL makes changes to the schema files for the following APIs:
 - system.network
 - system.storage
 - system.memory
 - system.display
 - system.cpu
These changes enable promise support on them.

Also updates the JS extern file for system.display

Bug: 328932
Change-Id: I1e06cfb8719c7a91c6ec47e4d939ee6a2f5ae9ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2770440
Commit-Queue: Tim Judkins <tjudkins@chromium.org>
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#865345}
GitOrigin-RevId: ae8af8f02b93ee2328d508ef5915d5ee0066f297
1 file changed