Revert "Revert "Enable binder caches in Bluetooth module""

This reverts commit b13a1a01.

Reason for revert: Fixing original CL

Some code was left commented in original CL

Change-Id: Ib834ebbec25d502ecab6bc78987f56fc6ff23b44
Fix: 214455273
Tag: #refactor
Test: Manual testing
Ignore-AOSP-First: No such api in aosp