Remove allowBlocking from all BluetoothProfiles

Since Bluetooth is becoming a mainline module, it can no longer call the
allowBlocking hidden api.
Instead, all interface are moved to be oneway and use a synchronous data
to handle the return value.

Bug: 200200870
Test: Build + start Bt and play something on speaker
Tag: #refactor
Merged-In: I776a6322faadca1504bce24f2b6b041e756b6448
Change-Id: I776a6322faadca1504bce24f2b6b041e756b6448
17 files changed
tree: 292693db70b2a02ea07eeb792abd3abd9314bdc4
  1. framework/
  2. service/