[automerger skipped] Strictly deprecate IRPC test mode key generation am: 18a1915f -s ours

am skip reason: Merged-In I5709a0b1cd77eb28e677f64bb781fad58d91570a with SHA-1 f2ae1936 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/22851513



Change-Id: Ia49e937a76f731ade2d609ce1ad07d54a2011d38
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>