Merge "[header-checker] Use new jsoncpp API" am: 1252a2c311 am: e4880a63a9 am: bfe5ddf508

Original change: https://android-review.googlesource.com/c/platform/development/+/1627879

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iab5dafeabfdb342ca4c426ac1a26d3d39a5ed622