docs: Added virtual files to preview doc
docs: Added virtual files to preview doc

Bug: 28297470
Change-Id: I393ba4083ce5d2ca43a815e61e962761b08a8194

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