Revert "Using aidl generated structs where possible for buildinfo classes"

This reverts commit dd34250ee82d316bfa12cfdbbf484eed129c2eca.

Reason for revert:
LUCI Bisection has identified this change as the culprit of a build failure. See the analysis: https://ci.chromium.org/ui/p/chromium/bisection/compile-analysis/b/8714787181885935281

Sample failed build: https://ci.chromium.org/b/8714787181885935281

If this is a false positive, please report it at http://b.corp.google.com/createIssue?component=1199205&description=Analysis%3A+https%3A%2F%2Fchromium-review.googlesource.com%2Fc%2Fchromium%2Fsrc%2F%2B%2F6541466&format=PLAIN&priority=P3&title=Wrongly+blamed+https%3A%2F%2Fci.chromium.org%2Fui%2Fp%2Fchromium%2Fbisection%2Fcompile-analysis%2Fb%2F8714787181885935281&type=BUG

Original change's description:
> 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}
>

Bug: 414609682, 411426303
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I18318a6bd4c25396c44b8868832348780dd586dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6552227
Owners-Override: luci-bisection@appspot.gserviceaccount.com <luci-bisection@appspot.gserviceaccount.com>
Commit-Queue: luci-bisection@appspot.gserviceaccount.com <luci-bisection@appspot.gserviceaccount.com>
Bot-Commit: luci-bisection@appspot.gserviceaccount.com <luci-bisection@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1460820}
NOKEYCHECK=True
GitOrigin-RevId: c8401a53d5ef88a6fa58472ba500fe921f5b9cd5