[automerger skipped] Validate input of JNI::NewStringUTF(). am: 1358c9faa9 -s ours

am skip reason: Change-Id I683c142fe5972599297d604f775bb8cfe6154bb7 with SHA-1 d0b9403492 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/art/+/13144047

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I18b7fa226025208debe07b42d381022555de4060