[automerger skipped] Merge "Make init.userspace_reboot.is_supported a rw property" into rvc-dev am: 1524571ff3 -s ours am: 1d6f1fd14d -s ours am: 4d74bf3b0c -s ours

am skip reason: Change-Id Ie3604b315a5d2a846037064ad9a29258f2cad9d0 with SHA-1 bb9699c2e1 is in history

Change-Id: Id2e22ea862412cdd8126d676a6b3fa5f76ee5025