Using aidl generated structs where possible for buildinfo classes

Bug: 414609682, 411426303
Change-Id: I2405127f0e93ba2d08b5c2bf74a348db6264ea88
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6541466
Owners-Override: Sam Maier <smaier@chromium.org>
Commit-Queue: Sam Maier <smaier@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1460803}
NOKEYCHECK=True
GitOrigin-RevId: dd34250ee82d316bfa12cfdbbf484eed129c2eca