[automerger skipped] Clean up ImsFeature status callbacks correctly in...

[automerger skipped] Clean up ImsFeature status callbacks correctly in FeatureConnection am: c41c0c29 am: 047c6836 -s ours

am skip reason: Change-Id Iedf820f9da10088c845b34c2a08658d7204241b3 with SHA-1 455bbbf9 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ims/+/1344936

Change-Id: I6f3ecd72af2000aa72f32fe7e40458970116580d