Do not preload videoeditor_jni since it breaks the emulator

Video editing is not supported on the emulator, so preloading
this causes the emulator to crash while booting up.

Bug 7200384

Change-Id: I1915d888be328c20aa66ca2318722d5b6e6342b0

Author: vsiva

preloaded-classes

@@ -568,7 +568,6 @@ android.media.MediaRecorder
 android.media.MediaScanner
 android.media.RemoteDisplay
 android.media.ToneGenerator
-android.media.videoeditor.MediaArtistNativeHelper
 android.net.ConnectivityManager
 android.net.Credentials
 android.net.DhcpInfoInternal