Created libattestation

Move attestation logic from input into separate library. This way Input
and SurfaceFlinger can leverage the same logic

Test: inputflinger_test
Test: attestation_tests
Bug: 155825630
Change-Id: Ia4f65166da8a1c53a9570db59eab602190438696
diff --git a/services/inputflinger/benchmarks/Android.bp b/services/inputflinger/benchmarks/Android.bp
index 066a816..9abf8b1 100644
--- a/services/inputflinger/benchmarks/Android.bp
+++ b/services/inputflinger/benchmarks/Android.bp
@@ -18,6 +18,7 @@
         "libutils",
     ],
     static_libs: [
+        "libattestation",
         "libinputdispatcher",
     ],
 }