Add retry logic for wifi Hal starting failure

This add the retry logic for starting the wifi HAL because
wifi HAL might still be in the process of stopping.

Bug: 37681479
Test: compile, unittests
Test: manual test toggling the hotspot mode quickly

Change-Id: If87d8a0ebdcdf8a0aca233808b9d84393d21f738
2 files changed
tree: fce066112f8df0b8b1b3b660901a781df442f5dc
  1. service/
  2. PREUPLOAD.cfg