Cleanup: Use ModifierState enum in input.rs in sticky keys filter

Test: none
Bug: 245989146
Change-Id: If2c46c9fb228ebb35bc7c66a4d58bf27ec000f4b
diff --git a/services/inputflinger/rust/Android.bp b/services/inputflinger/rust/Android.bp
index 255c7eb..5b7cc2d 100644
--- a/services/inputflinger/rust/Android.bp
+++ b/services/inputflinger/rust/Android.bp
@@ -47,6 +47,7 @@
         "liblog_rust",
         "liblogger",
         "libnix",
+        "libinput_rust",
     ],
     host_supported: true,
 }