InputFlinger: Receive setInputWindows over IPC

Plumbing to expose the InputManager object as an InputFlinger
service with a single setInputWindows method.

Bug: 80101428
Bug: 113136004
Bug: 111440400
Change-Id: I6e63a7e251711993334d930d2b95352e6cba031e
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 9a65452..7812cb2 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -35,6 +35,7 @@
         "libutils",
         "libui",
         "libhardware_legacy",
+        "libutils"
     ],
 
     cflags: [