Correct comment spelling error. am: 0a6d0b2987 am: e104a82fe2 am: 9d8d3016bd am: 9a55d46bdb

Original change: https://android-review.googlesource.com/c/platform/external/libhevc/+/2519759

Change-Id: I33cede0eb559f76c8e5f44dc14508d28abfb3625
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>