[ALOY-753] reset() called twice in properties adapter

Ticket: [https://jira.appcelerator.org/browse/ALOY-753](https://jira.appcelerator.org/browse/ALOY-753)

Original PR: [https://github.com/appcelerator/alloy/pull/192](https://github.com/appcelerator/alloy/pull/192)