WifiMonitor: Connect to wpa_supplicant more aggressively

Instead of waiting 1 second between retries, check if wpa_supplicant's
HIDL interface is up every 100 ms after starting wpa_supplicant.

Bug: 62439299
Test: Verified from logs that the time for wifi enable is reduced now.
Change-Id: Ibb8acf3bbe794b6ee2e9fa7b1cdb41e66f023d71
2 files changed
tree: bb097e7e15dccc01e419afe2d8327d3bb4dbcf25
  1. service/
  2. PREUPLOAD.cfg