FM: initialize hci struct after linking fmHciDeathRecipient

Initialize hci struct after linking fmHciDeathRecipient.
Unlock the hci.on_mtx mutex before killing the fm process.

CRs-Fixed: 2653878
Change-Id: Ie66bf4c49e64aa1eddf64ef294cfcfe38149b2f4
1 file changed
tree: d5f5a647e942f868447b17918da4083a673244b1
  1. fm_hci/
  2. fmapp2/
  3. helium/
  4. jni/
  5. qcom/