[TimeStats] Add callback for layer stats

Bug: 119885568
Test: adb shell cmd stats pull-source 10063
Change-Id: I385c9a49e2c7f98d4dacba6ac399e927c5b0e192
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index e500672..1eaf2dd 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -83,6 +83,7 @@
         "perfetto_trace_protos",
     ],
     shared_libs: [
+        "libprotoutil",
         "libstatssocket",
         "libsurfaceflinger",
         "libtimestats",