Merge "Factor out helper method." am: e003cac92e am: fae29d4878 am: 54387e5eb3

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

Change-Id: Icd029dde841e0fbb3966e64077dfa2147f1568ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>