Fixed N_SE-12031

Fixed N_SE-12031

[Issue#] N_SE-12031
[Problem] Select any editor field for shown IME.
Press Home key for webapp move to background
Launch "Application" webapp and select "Launch" button for webapp
which is moved to background
After webapp is launched, IME isn't displayed.
[Cause] Exactly, default reset event means reset webapp.
This issue is occurred by webapp is still on the previous page.
[Solution] Change default action to reset webapp when received
reset event from other webapp.
[SCMRequest] N/A

Change-Id: Idf97cdf7b406ba62a9af2ff282a11dbe1e154f79