app crash when rotate the screen

[GoogleCodeExporter]

What steps will reproduce the problem?
1. turn on screen rotation. 
2. play the video and click full scree button
3. then rotate the screen

What is the expected output? What do you see instead?
screen should rotate to landscape but app crashed and app stopped.

What version of the product are you using? On what operating system?
android sdk 19 on Samsung S3.

Please provide any additional information below.

Original issue reported on code.google.com by aun...@gmail.com on 20 Feb 2014 at 6:08

[GoogleCodeExporter]

Here is error log.

02-21 12:45:36.605: E/SurfaceTextureClient(17222): 
ISurfaceTexture::setBufferCount(0) returned No such device
02-21 12:46:17.395: E/AndroidRuntime(17222): FATAL EXCEPTION: main
02-21 12:46:17.395: E/AndroidRuntime(17222): java.lang.NullPointerException
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
android.webkit.HTML5VideoView.isPlaying(HTML5VideoView.java:179)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
android.webkit.HTML5VideoViewProxy$VideoPlayer.isPlaying(HTML5VideoViewProxy.jav
a:276)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
android.webkit.HTML5VideoViewProxy.handleMessage(HTML5VideoViewProxy.java:475)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
android.os.Handler.dispatchMessage(Handler.java:99)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
android.os.Looper.loop(Looper.java:137)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
android.app.ActivityThread.main(ActivityThread.java:4898)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
java.lang.reflect.Method.invokeNative(Native Method)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
java.lang.reflect.Method.invoke(Method.java:511)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
02-21 12:46:17.395: E/AndroidRuntime(17222):    at 
dalvik.system.NativeStart.main(Native Method)

Original comment by aun...@gmail.com on 21 Feb 2014 at 4:53