- Removed SEStateHelper
- Added PromiseWithContext
- Addressed isClose for all usecases by storing the references to child objects
- Fixed webidl (few nits) as per review comments
- Removed SE:IsSEPresent IPC and re-introduced 'isSEPresent' IPC for now

Change-Id: I9c07ece3a310a14da7467bab0577aee80d9759be