update comment on WebView loadData
update comment on WebView loadData

Change-Id: I20fbfabde7eafb8017036a7360ed83fa457cc42c
http://2400117

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