Add WindowInfosListener to Input

Register a WindowInfosListener in InputDispatcher to allow
it to listen for window info changes rather than SurfaceFlinger
having to talk directly to InputDispatcher.

Test: Existing tests pass
Bug: 188792659
Change-Id: If6ccfb0c8c5af0a7b3777c9002157128568cbb6e
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 24d186c..73e5749 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -96,6 +96,7 @@
         "libinputflinger_base",
         "libinputreporter",
         "libinputreader",
+        "libgui",
     ],
     static_libs: [
         "libinputdispatcher",