Merge "Factor out helper method." am: e003cac92e

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2177903

Change-Id: Ie38e424d14b1f9410223206d3a383cb321f21851
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>