Merge "[thermal] Use new jsoncpp API" am: 4aa3497c4d am: 35bece504e am: 0aa6b92795

Original change: https://android-review.googlesource.com/c/platform/hardware/google/pixel/+/1607476

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib8fdcda3ec0ac5effb94898479490f71451963f5