Accessibility query APIs report invisible views.
Accessibility query APIs report invisible views.

1. The accessibility querying APIs failed to check whether
   all predecessors of a view are visible before reporting it.

bug:6291855

Change-Id: I364a6f08e8d02c7105c00c9fdff0fec033829554

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