Fix bug with parsing vectors am: 778b15a20b am: 77b0979a10 am: 9fd4f3ac58

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

Change-Id: Ic28e048f01a2f9e12e5145fe6738417160dc6d0c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>