[automerger skipped] Don't pass ATTEST_KEY for symmetric key generation am: f1df3873 -s ours

am skip reason: Merged-In I6b87a8997a3b9cf0f45f362ca91707546cc953d1 with SHA-1 6d825fb2 is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3376902



Change-Id: I5b707c3c6a12013194870a19957c9883e965ea3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>