Floss: Fix unable to stream A2DP on telephony use release

When an application disconnects from UHID all pending calls should be
removed to allow A2DP streaming.

Bug: 311116520
Test: Conduct the following manual tests
  pair Bluetooth Headset
  Open youtube and play music
  start Google meet call
  add Headset to Meet call control
  remove call control permissions on Headset
  switch Microphone to internal
  audio streaming is switch back to A2DP
Test: atest bluetooth_test_gd

Change-Id: Iecf97a229b28b4fd0c03501011655ac8a34e9048