Enable cfi for libhevc am: 379fb7b446 am: 7de3739238 am: a0c98c5d9a

Original change: https://android-review.googlesource.com/c/platform/external/libhevc/+/1515901

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic74fa6d00695fd292d41ea633f770d0901967c74