Merge "[vkjson] Use new jsoncpp API" am: e9b81a4000 am: 96938a7815 am: ecc333424a

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1607278

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I88853cc0ec1376fa0ec19a0cf328c917c8cfd6c6