[automerger skipped] Update EmulatedUserHal to use UserHalHelper native...

[automerger skipped] Update EmulatedUserHal to use UserHalHelper native library. am: 8eb03223 am: bde59e03 am: 924ebf2d am: 0c0666c7 am: 6ffb5c9f -s ours

am skip reason: Change-Id I4ba2202e28ef9260b38ebbf21083d55d7aa07fc9 with SHA-1 bfdb1ac6 is in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1425312

Change-Id: Idfa235f7203b91e6768083a072ef25ec56157b35