Fix bug with parsing vectors am: 778b15a20b am: 77b0979a10

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23231057

Change-Id: I831c8423574b448f3d725f2aeefe9aa91f3f3912
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>