Generate ACTION_CANCEL event when screen turned off by proximity sensor.

When using PROXIMITY_SCREEN_OFF_WAKE_LOCK and screen was turned off by proximity sensor,
input service should generate ACTION_CANCEL, same as display turned off by pressing power button.
Add power state in display view port and notify input service for
display power state change.

Bug: 154074380
Test: atest libgui_test
Change-Id: Icb65aead4b5544182c46101f4ba535f5955ebd6c
Merged-In: Icb65aead4b5544182c46101f4ba535f5955ebd6c