Remove duplicate code in Editor.java

Eliminate duplicates by calling resumeBlink()/suspendBlink().

Change-Id: Ia19ae1bf1a5c981700aa20be67ed9d557e2bfc56
Signed-off-by: Sangkyu Lee <sk82.lee@lge.com>
Remove possible leak when exception occurred.

nameUtf8 is not released after exception.
In addtion, Fix code going down after ThrowException.

Change-Id: Id46e8ed55acd98e982ae532f7da2c0c48847f010