Use INPUT_FEATURE_SPY flag to prevent ACTION_CANCEL event during app

handle drag

Flag prevents appHandle from losing input flow when app handle bounds
are exited.

Bug: 442790663
Test: manual + atest
Flag: com.android.window.flags.enable_remove_status_bar_input_layer
Change-Id: I2d563cc75dada74aad891efe2172c613dd57abb5