Wifi-Hal: sync missing code with latest wifihal

Few changes are directly submitted to latest Android
branch. Pulling in these changes to match all the code.
1) Remove additional logs
2) rtt func pointer initialization
3) misc code merges

Change-Id: I42db596709283429f54ae9919b94d0835bc13f81
CRs-Fixed: 986495
7 files changed
tree: 37f65ee85ed7850ecef31308b17a2d2ee7ba36f0
  1. qcwcn/
  2. wcnss-service/