[automerger skipped] Add unit test to cover the adaptive hold logic am: e47ff3bfb5 am: ab3ee79999 -s ours

am skip reason: Merged-In I3364fb7a7c53ad708f815de828806239e2d3d253 with SHA-1 68fb319bbf is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libpalmrejection/+/19348644

Change-Id: I0f2957f16bdc235a040a1b130734751a19675970
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>