[automerger skipped] Correct the description for getKeyCharacteristics am: 8b78dc50 am: b29fe1eb -s ours

am skip reason: Merged-In I3ff94201c262a5071d271b150dbbf21888d678aa with SHA-1 8b78dc50 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/15175667

Change-Id: I6cd72a82e66365314c2ba0417178552574484deb