aml_rkp_341012000 (10668899,com.google.android.rkpd)
Adding METADATA to piex and merging with upstream am: f85cc3c7c1 am: fb64679d7c am: 8eef416f69 am: 0471da4872 am: 98ecd898ea

Original change: https://android-review.googlesource.com/c/platform/external/piex/+/2224358

Change-Id: Ie958983dca2e0bf775b2ac1cb2bbe31ce4ebd9d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>