Merge "InputMethodSubtypeArray: prevent negative count injection" into udc-dev am: 75d5eab5

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



Change-Id: I71db1f0bd98eb917f3f2650cceb22e8d13d43ee8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>