Add a config to allow touches while the display is off.

Bug: 255462169
Test: atest inputflinger_tests
Change-Id: I4904ccda5c7ba3c204c89af61fbf0bfca22475ba
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index 2bb9ece..bab15cc 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -236,6 +236,9 @@
 
         // Whether the device supports the Universal Stylus Initiative (USI) protocol for styluses.
         bool supportsUsi;
+
+        // Allows touches while the display is off.
+        bool enableForInactiveViewport;
     } mParameters;
 
     // Immutable calibration parameters in parsed form.