Merge "Factor out helper method." am: e003cac92e am: fae29d4878 am: 54387e5eb3 am: f13c442de4

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

Change-Id: I2b381aceec79efc25eaf8d4aa6a98543a2d4b0e1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>