Revert "bt: Update to AU187 proprietary drop"

This reverts commit 88a60244dc3640c82818a9024aa2135fccabb280.

Merging AU187 caused breaking changes in msm8992 BT HAL. Reverting the
commit, which will not rollback the msm8996 BT HAL.

Bug: 29243594

Change-Id: Ibb016d2575547c3f1a25974266a2879f8097abba
9 files changed
tree: a2e83acc14d9763c7e5cdb721e8cf5ac3a5db273
  1. libbt-vendor/
  2. msm8909/
  3. msm8960/
  4. msm8992/
  5. msm8996/