[DeviceService] Cleanup of android library dependencies.

services/device/time_zone_monitor/BUILD.gn

Index: services/device/time_zone_monitor/BUILD.gn
diff --git a/services/device/time_zone_monitor/BUILD.gn b/services/device/time_zone_monitor/BUILD.gn
index ecef1fc39f5ce69abdf7443fbbb6a443622cf027..cbcfc2fc8fdcfc4a913ecbb3494a04ab5de55736 100644
--- a/services/device/time_zone_monitor/BUILD.gn
+++ b/services/device/time_zone_monitor/BUILD.gn
@@ -61,4 +61,12 @@ if (is_android) {
     ]
     jni_package = "time_zone_monitor"
   }
+
+  android_library("java") {
+    visibility = [ "//services/device:*" ]
+    java_files = [ "android/java/src/org/chromium/device/time_zone_monitor/TimeZoneMonitor.java" ]
+    deps = [
+      "//base:base_java",
+    ]
+  }
 }