Add mojo service to get notified of vsync.

services/vsync/BUILD.gn

Index: services/vsync/BUILD.gn
diff --git a/services/input/BUILD.gn b/services/vsync/BUILD.gn
similarity index 68%
copy from services/input/BUILD.gn
copy to services/vsync/BUILD.gn
index dac96c98d3aa83dff62686d6e8f58e05ebac9e3b..fa466390ac0c50ab9b3ceacf66c3ee4893f211b4 100644
--- a/services/input/BUILD.gn
+++ b/services/vsync/BUILD.gn
@@ -5,12 +5,12 @@
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 
-android_library("input") {
-  java_files = [ "src/org/chromium/mojo/input/InputServiceImpl.java" ]
+android_library("vsync") {
+  java_files = [ "src/org/chromium/mojo/vsync/VSyncProviderImpl.java" ]
 
   deps = [
     "//mojo/public/java:bindings",
     "//mojo/public/java:system",
-    "//mojo/services/input/interfaces:interfaces_java",
+    "//mojo/services/vsync/interfaces:interfaces_java",
   ]
 }