FM: add re-try mechanism for Audio focus request

in case of call and fm concurency case,
telephony focus is abandon after on call state callback,
due to this FM failed to get Audio focus need to retry to get focus

do re-try for Audio focus 3 times on a gap of
200 msec to get Audio focus.

Change-Id: Ie1267477054ba5d3136ede5b505e31b2bd57ebc6
1 file changed
tree: 7b350b1eb03efe88fad857f862490a3c2b3fef1e
  1. fm_hci/
  2. fmapp2/
  3. helium/
  4. jni/
  5. qcom/
  6. Android.mk