[automerger skipped] Correct the description for getKeyCharacteristics am: 8b78dc5031 am: b29fe1eb26 -s ours am: 8b2943d0f1 -s ours

am skip reason: Merged-In I3ff94201c262a5071d271b150dbbf21888d678aa with SHA-1 8b78dc5031 is already in history

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

Change-Id: Ia816e19df3500128f3700532d0ba2a3113307749