Throw an exception instead of crash when a surface does not have a binding surface texture

o related-to-bug: 7270329

Change-Id: I498d72187968e89d9498d01b10719569e12be2af

Author: James Dong

media/jni/android_media_MediaPlayer.cpp

@@ -274,6 +274,11 @@ setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface, jboolean mediaPlaye
         sp<Surface> surface(android_view_Surface_getSurface(env, jsurface));
         if (surface != NULL) {
             new_st = surface->getSurfaceTexture();
+            if (new_st == NULL) {
+                jniThrowException(env, "java/lang/IllegalArgumentException",
+                    "The surface does not have a binding SurfaceTexture!");
+                return;
+            }
             new_st->incStrong(thiz);
         } else {
             jniThrowException(env, "java/lang/IllegalArgumentException",