Merge changes from topic "libperfmgr_aosp"

* changes:
  libperfmgr: Update nodes in 2 passes
  libperfmgr: change to use Value directly in config
  libperfmgr: add dump interface
  Add ConfigVerifier tool to help validate node values
  libperfmgr: Change NodeLooperThread thread wait time
  libperfmgr: Validate on duplicate node index across Actions
  libperfmgr: Remove request when returning 0ms
  libperfmgr: Retry when writing to node failed
  libperfmgr: Reuse lock in NodeLooperThread
  libperfmgr: Add lock to HintManager
  libperfmgr: Add a new libperfmgr