Merge "Remove window obscurement information. am: ff7dd3b9 am: f431a7cb...

Merge "Remove window obscurement information. am: ff7dd3b9 am: f431a7cb am: 3cc2b38f  -s ours am: 27f3e039  -s ours am: 2f1a072f  -s ours am: f5b44554  -s ours am: 4c0b934c  -s ours am: 56618d83  -s ours am: fd78a034  -s ours am: 693e8974  -s ours am: 2a46ddbd  -s ours am: 2566e468  -s ours am: ce505857  -s ours am: 14f84572  -s ours am: 2c84ac96  -s ours" into oc-mr1-dev-plus-aosp