Properly include gd/hci/acl_manager/assembler.h am: be1abc55 am: b28285c1...

Properly include gd/hci/acl_manager/assembler.h am: be1abc55 am: b28285c1 am: 2c5a4421 am: 331995d5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2056565



Change-Id: Ia0a9c752c9a5bf8920b51893551df357eb619c94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>