WebView may get message after destroy() is called. Just return in this case.
WebView may get message after destroy() is called.
Just return in this case.

Fix http://b/issue?id=2143668

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base