Set class name for WebView on A11y events and infos.
Set class name for WebView on A11y events and infos.

Bug: 6209073
Change-Id: I08b2b0010e619ed9b3afaeb4f4fc92e3afbcffd1

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