As setNewZoomScale is called asynchronously, the WebView can be destroyed. If it is, skip scaling.
As setNewZoomScale is called asynchronously, the
WebView can be destroyed. If it is, skip scaling.

Fix http://b/issue?id=2366538
xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base