Revert "Generate tests for libminijail_rust" am: a6ad26d902

Original change: https://android-review.googlesource.com/c/platform/external/minijail/+/2275166

Change-Id: I1a20021e842c0d71bc9379703b5b2a386f6f628f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>