Merge "Revert "stack.cc: remove double deletion of stack_handler_"" into main am: bfdf5d63

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3543819



Change-Id: I09aae681c27cbdbee5802b49ddabcaa5c56b6744
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>