Use correct window token for scrolling screenshots

Test: manual
Bug: 178093024
Fix: 178093024
Change-Id: I2a2e6bbbcd00f4d64c3226f3b22a9880acc3c412
Merged-In: I2a2e6bbbcd00f4d64c3226f3b22a9880acc3c412
(cherry picked from commit 3a4750beb7c995829a54ff3101186218a904b164)
1 file changed