consider the situations where the device has only one volume level set.

Bug: 65125561
Test: runtest bluetooth -c
com.android.bluetooth.hfpclient.HeadsetClientStateMachineTest doesn't
crash now

Change-Id: I3474e60f04732c60de215a41125a9436c5ff122c
1 file changed
tree: 543a3f5e5b7eb60946ddc1d147cbdba603e29b15
  1. android/