Fix OOB crash for registerLocaleList am: a826540766 am: 215b93c38f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/minikin/+/20100213

Change-Id: Id2633c1f9a8c8d313f821fb41b10c55bc31c3c62
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>