[automerger skipped] ArrayUtils: rename concatElements() to concat() am: 96abd9452d am: 178682cb12 am: e1c8143836 -s ours

am skip reason: Merged-In I21e958d3d7b3366ec724e757ac4ccc50b36abee1 with SHA-1 1174b2fd68 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2429552

Change-Id: I992d28c210f4f087a3845bca85b64a83233f8069
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>