Merge "remove manually freeing the variable mDeathRecipient" into main am: f865a8b7cd am: 779ddee8ba am: c1e4660802 am: cd3e94d6b8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2725094

Change-Id: I45792ef0b01348e2209c4bb648dce57a5b4ec0d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>