* updates ng-dev and build-tooling since the previous SHAs are
no longer existent after the CircleCI incident snapshot build removal.
* accounts for the new stamping variables.
PR Close#48731
Fix non-hermetic zipping of example zips by fixing the zip entry timestamps.
I also hardcoded stamp values in stable-status.txt and volatile-status.txt using the workspace status command for the aio_local_deps config to improve cache performance. The Bazel remote cache appears to not ignore volatile-status.txt when there are no other changes, unlike the local Bazel cache:
https://github.com/bazelbuild/bazel/issues/10075#issuecomment-546872111
PR Close#48579
