[automerger skipped] Migrate libcore benchmarks to BenchmarkRule am: e292bf87b5 -s ours

am skip reason: Merged-In I309cb9a23102a9ae3680052fa92cd365dacd1443 with SHA-1 93da8e816f is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3232320

Change-Id: Ifb614f4334b789bac67b593c725fe94c41e4237a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>