Merge "InputMethodSubtypeArray: prevent negative count injection" into udc-dev am: 75d5eab5 am: 598dd469 am: 87c73c66

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23516799



Change-Id: Ia30e99b517a900cef47b6f84096331242ef0c81d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>