[automerger skipped] Merge "Add extcon specific UEventObserver" am: 105851c17f
am: 1f8de259dd -s ours
am skip reason: change_id If751f7264eebdedd9a23f8dbb33e1cc1fab00951 with SHA1 0816eb3b4a is in history

Change-Id: I6d7d7886e9d565331a723a8e6c4ef9e41637d5ea