AudioService: remove SA state sync between BT profiles

Remove the synchronization of Spatial Audio Settings (SA enabled,
head tracking available/enabled) between Bluetooth A2DP and LE profiles
for the same headset. It is not helpful for the user,
does not match the BT headset market realility and was implemented with bugs.

Bug: 365014132
Flag: EXEMPT bug fix
Test: repro steps in bug with dual mode Bluetooth headset
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:5083e5833c94bbaba7bb9e4bdfc722085ab498f8)
Merged-In: I6b013f73c4f18f7bb000203d1561306226c88cea
Change-Id: I6b013f73c4f18f7bb000203d1561306226c88cea