HDM: Resolve concurrent access issue - defer execution

Bug: 154582017
Test: atest com.android.server.wifi
Test: Unable to repro crash with the shell command to repro the scenario.
Change-Id: Ibfa2b7a23e5eadd42fe5a455890f7446e772f5ac
1 file changed
tree: e9aa54e95847089d04e85ed65704c1a76704bc5e
  1. apex/
  2. service/
  3. PREUPLOAD.cfg