Fix performance-inefficient-vector-operation am: e1ed6cb533

Original change: https://android-review.googlesource.com/c/platform/system/apex/+/2152598

Change-Id: I824c331b2b1557ae874624b99bccc7936a944d9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>